Cairo Citadel

The Saladin Citadel of Cairo is one of the most popular tourist attractions of Cairo, Egypt.

The location, part of the Muqattam hill near the center of Cairo, was once famous for its fresh breeze and grand views of the city, and was fortified by the Ayyubid ruler Salah al-Din (Saladin) between 1176 and 1183 AD, to protect it from the Crusaders

It is sometimes referred to as Mohamed Ali Citadel because it contains the Mosque of Mohamed Ali (or Muhammad Ali Pasha), which was built between 1828 and 1848, perched on the summit of the citadel. This Ottoman mosque was built in memory of Tusun Pasha, Muhammad Ali's oldest son, who died in 1816.

The citadel stopped being the seat of government when Egypt's ruler, Khedive Ismail, moved to his newly built Abdin Palace in the Ismailiya neighborhood in the 1860s.

There are two other mosques at the Citadel, the 13th/14th c. hypostyle Mosque of al-Nasir Muhammad from the early Bahri Mamluk period, and the 16th c. Mosque of Suleyman Pasha, first of the Citadel's Ottoman-style mosques.

The citadel also contains Al-Gawhara Palace, the National Military Museum and the Police Museum.

Leaning Tower of Pisa

The Leaning Tower of Pisa is the campanile, or freestanding bell tower, of the cathedral of the Italian city of Pisa. It is situated behind the cathedral and is the third oldest structure in Pisa's Piazza del Duomo (Cathedral Square) after the cathedral and the baptistry.

Although intended to stand vertically, the tower began leaning to the southeast soon after the onset of construction in 1173 due to a poorly laid foundation and loose substrate that has allowed the foundation to shift direction. The tower presently leans to the southwest.

The height of the tower is 55.86 m (183.27 ft) from the ground on the lowest side and 56.70 m (186.02 ft) on the highest side. The width of the walls at the base is 4.09 m (13.42 ft) and at the top 2.48 m (8.14 ft). Its weight is estimated at 14,500 metric tons (16,000 short tons). The tower has 296 or 294 steps; the seventh floor has two fewer steps on the north-facing staircase. The tower leans at an angle of 3.97 degrees.This means that the top of the tower is 3.9 metres (12 ft 10 in) from where it would stand if the tower were perfectly vertical.

Hagia Sophia of Istanbul

Hagia Sophia is a former patriarchal basilica, later a mosque, now a museum in Istanbul, Turkey. Famous in particular for its massive dome, it is considered the epitome of Byzantine architecture. It was the largest cathedral in the world for nearly a thousand years, until the completion of the Seville Cathedral in 1520. The current building was originally constructed as a church between A.D. 532 and 537 on the orders of the Byzantine Emperor Justinian, and was in fact the third Church of the Holy Wisdom to occupy the site (the previous two had both been destroyed by riots). It was designed by two architects, Isidore of Miletus and Anthemius of Tralles. The Church contained a large collection of holy relics and featured, among other things, a 50 foot (15 m) silver iconostasis. It was the patriarchal church of the Patriarch of Constantinople and the religious focal point of the Eastern Orthodox Church for nearly 1000 years.

In 1453, Constantinople was conquered by the Ottoman Turks and Sultan Mehmed II ordered the building to be converted into a mosque. The bells, altar, iconostasis, and sacrificial vessels were removed, and many of the mosaics were eventually plastered over. The Islamic features — such as the mihrab, the minbar, and the four minarets outside — were added over the course of its history under the Ottomans. It remained as a mosque until 1935, when it was converted into a museum by the Republic of Turkey.

For almost 500 years the principal mosque of Istanbul, Hagia Sophia served as a model for many of the Ottoman mosques such as the Sultan Ahmed Mosque (Blue Mosque of Istanbul), the Şehzade Mosque, the Süleymaniye Mosque, and the Rüstem Pasha Mosque.

Porcelain Tower of Nanjing

The Porcelain Tower (or Porcelain Pagoda) of Nanjing also known as Bao'ensi (meaning "Temple of Gratitude"), is a historical site located on the south bank of the Yangtze in Nanjing, China. It was a pagoda constructed in the 15th century, but was mostly destroyed in the 19th century during the course of the Taiping rebellion. The tower is now under reconstruction.

The tower was octagonal with a base of about 97 ft in diameter. When it was built, the tower was one of the largest buildings in China, rising up to a height of 260 feet with nine stories and a staircase in the middle of the pagoda, which spiraled upwards for 130 steps. The top of the roof was marked by a golden sphere. There were originally plans to add more stories, according to an American missionary who in 1852 visited Nanjing. There are only a few Chinese pagodas that surpass its height, such as the still existent 275 ft tall 11th century Liaodi Pagoda in Hebei or the non-existent 330 ft tall 7th century wooden pagoda of Chang'an.

The tower was built with white porcelain bricks that were said to reflect the sun's rays during the day, and at night as many as 140 lamps were hung from the building to illuminate the tower. Glazes and stoneware were worked into the porcelain and created a mixture of green, yellow, brown and white designs on the sides of the tower, including animals, flowers and landscapes. The tower was also decorated with numerous Buddhist images.

Great Wall of China

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Catacombs of Kom el Shoqafa

The Catacombs of Kom el Shoqafa (meaning 'Mound of shards' or 'Potsherds') is a historical archaeological site located in Alexandria, Egypt.

The necropolis consists of a series of Alexandrian tombs, statues and archaeological objects of the Pharaonic funeral cult with Hellenistic and early Imperial Roman influences. Due to the time period, many of the features of the Catacombs of Kom el Shoqafa merge both Roman, Greek and Egyptian cultural points; some statues are Egyptian in style, yet bear Roman clothes and hair style whilst other features share a similar style. A circular staircase, which was often used to transport deceased bodies down the middle of it, leads down into the tombs that were tunneled into the bedrock during the age of the Antonine emperors (2nd century AD). The facility was then used as a burial chamber from the 2nd century to the 4th century, before being rediscovered in 1900 when a donkey accidentally fell into the access shaft. To date, three sarcophagi have been found, along with other human and animal remains which were added later. It is believed that the catacombs were only intended for a single family, but it is unclear why the site was expanded in order to house numerous other individuals. The Catacombs of Kom el Shoqafa is, according to some lists, also one of the seven medieval wonders of the world. One of the more gruesome features of the catacombs is the so called Hall of Caracalla. According to tradition, this is a mass burial chamber for the humans and animals massacred by order of the Emperor Caracalla.

Stonehenge

Stonehenge is a prehistoric monument located in the English county of Wiltshire, about 3.2 kilometres (2.0 mi) west of Amesbury and 13 kilometres (8.1 mi) north of Salisbury. One of the most famous prehistoric sites in the world, Stonehenge is composed of earthworks surrounding a circular setting of large standing stones and sits at the centre of the densest complex of Neolithic and Bronze Age monuments in England, including several hundred burial mounds.Archaeologists had believed that the iconic stone monument was erected around 2500 BC, as described in the chronology below. However one recent theory has suggested that the first stones were not erected until 2400-2200 BC,whilst another suggests that bluestones may have been erected at the site as early as 3000 BC (see phase 1 below). The surrounding circular earth bank and ditch, which constitute the earliest phase of the monument, have been dated to about 3100 BC. The site and its surroundings were added to the UNESCO's list of World Heritage Sites in 1986 in a co-listing with Avebury henge monument, and it is also a legally protected Scheduled Ancient Monument. Stonehenge itself is owned by the Crown and managed by English Heritage while the surrounding land is owned by the National Trust.

New archaeological evidence found by the Stonehenge Riverside Project indicates that Stonehenge served as a burial ground from its earliest beginnings.The dating of cremated remains found that burials took place as early as 3000 B.C, when the first ditches were being built around the monument. Burials continued at Stonehenge for at least another 500 years when the giant stones which mark the landmark were put up. According to Professor Mike Parker Pearson, head of Stonehenge Riverside Project:

“ Stonehenge was a place of burial from its beginning to its zenith in the mid third millennium B.C. The cremation burial dating to Stonehenge's sarsen stones phase is likely just one of many from this later period of the monument's use and demonstrates that it was still very much a domain of the dead. ”

Ishtar Gate

The Ishtar Gate was the eighth gate to the inner city of Babylon. It was constructed in about 575 BC by order of King Nebuchadnezzar II on the north side of the city.

Dedicated to the Babylonian goddess Ishtar, the Gate was constructed of blue glazed tiles with alternating rows of bas-relief sirrush (dragons) and aurochs.

The roof and doors of the gate were of cedar, according to the dedication plaque. Through the gate ran the Processional Way which was lined with walls covered in lions on glazed bricks (about 120 of them).

Statues of the deities were paraded through the gate and down the Processional Way each year during the New Year's celebration.

Originally the gate, being part of the Walls of Babylon, was considered one of the Seven Wonders of the world until, in the 6th century AD, it was replaced with the Lighthouse of Alexandria.

A reconstruction of the Ishtar Gate and Processional Way was built at the Pergamon Museum in Berlin out of material excavated by Robert Koldewey and finished in the 1930s. It includes the inscription plaque. It stands 47 feet high and 100 feet wide (14 meters by 30 meters). The excavation ran from 1902-1914 and during that time 45 feet of the foundation of the gate was uncovered.

The gate was in fact a double-gate. The part that is shown in the Pergamon Museum today is only the smaller frontal part, while the larger back part was considered too large to fit into the constraints of the structure of the museum. It is in storage.

Parts of the gate and lions from the Processional Way are in various other museums around the world. Only three museums acquired dragons while lions went to several museums. The Istanbul Archaeology Museum has lions, dragons, and bulls. The Detroit Institute of Arts houses a dragon. The Röhsska Museum in Gothenburg, Sweden, has one dragon and one lion; the Louvre, the Royal Ontario Museum in Toronto, the University of Pennsylvania Museum of Archaeology and Anthropology in Philadelphia, the Metropolitan Museum of Art in New York, the Oriental Institute in Chicago, the Rhode Island School of Design Museum, the Museum of Fine Arts in Boston, and the Yale University Art Gallery of New Haven, Connecticut, each have lions.

A smaller reproduction of the gate was built in Iraq under Saddam Hussein as the entrance to a museum that has not been completed. Damage to the reproduction gate has occurred since the Iraq war

Lighthouse of Alexandria

The Lighthouse of Alexandria (or The Pharos of Alexandria)was a tower built in the 3rd century BC (between 285 and 247 BC) on the island of Pharos in Alexandria, Egypt to serve as that port's landmark, and later, its lighthouse.















With a height variously estimated at between 115 and 150 m (380 and 490 ft) it was among the tallest man-made structures on Earth for many centuries, and was identified as one of the Seven Wonders of the Ancient World by Antipater of Sidon. It may have been the third tallest building after the two Great Pyramids (of Khufu and Khafra) for its entire life. Some scholars estimate that would make the tower the tallest building up to the 14th century.

Pharos was a small island just off the coast of Alexandria. It was linked to the mainland by a man-made connection named the Heptastadion, which thus formed one side of the city's harbor. As the Egyptian coast is very flat and lacking in the kind of landmark used at the time for navigation, a marker of some sort at the mouth of the harbour was deemed necessary—a function the Pharos was initially designed to serve. Use of the building as a lighthouse, with a fire and reflective mirrors at the top, is thought to date to around the 1st century AD, during the Roman period. Prior to that time the Pharos served solely as a landmark or day beacon.

Colossus of Rhodes

The Colossus of Rhodes was a statue of the Greek god Helios, erected on the Greek island of Rhodes by Chares of Lindos between 292 and 280 BC. It is considered one of the Seven Wonders of the Ancient World. Before its destruction, the Colossus of Rhodes stood over 30 meters (107 ft) high, making it one of the tallest statues of the ancient world.

Siege of Rhodes

Alexander the Great of Macedonia died at an early age in 323 BC without having had time to put into place any plans for his succession. Fighting broke out among his generals, the Diadochi, with four of them eventually dividing up much of his empire in the Mediterranean area. During the fighting, Rhodes had sided with Ptolemy, and when Ptolemy eventually took control of Egypt, Rhodes and Ptolemaic Egypt formed an alliance which controlled much of the trade in the eastern Mediterranean.

Antigonus I Monophthalmus was upset by this turn of events. In 305 BC he had his son Demetrius Poliorcetes, also a general, invade Rhodes with an army of 40,000; however, the city was well defended, and Demetrius—whose name "Poliorcetes" signifies the "besieger of cities"—had to start construction of a number of massive siege towers in order to gain access to the walls. The first was mounted on six ships, but these capsized in a storm before they could be used. He tried again with a larger, land-based tower named Helepolis, but the Rhodian defenders stopped this by flooding the land in front of the walls so that the rolling tower could not move.




In 304 BC a relief force of ships sent by Ptolemy arrived, and Demetrius's army abandoned the siege, leaving most of their siege equipment. To celebrate their victory, the Rhodians sold the equipment left behind for 300 talents (roughly US$360 million in today's money) and decided to use the money to build a colossal statue of their patron god, Helios. Construction was left to the direction of Chares, a native of Lindos in Rhodes, who had been involved with large-scale statues before. His teacher, the sculptor Lysippos, had constructed a 22 meter (70 ft) high bronze statue of Zeus at Tarentum.

Mausoleum of Maussollos

The Tomb of Mausolus, Mausoleum of Mausolus or Mausoleum at Halicarnassus was a tomb built between 353 and 350 BC at Halicarnassus (present Bodrum, Turkey) for Mausolus, a satrap in the Persian Empire, and Artemisia II of Caria, his wife and sister. The structure was designed by the Greek architects Satyrus and Pythius.It stood approximately 45 metres (135 ft) in height, and each of the four sides was adorned with sculptural reliefs created by each one of four Greek sculptors — Leochares, Bryaxis, Scopas of Paros and Timotheus.The finished structure was considered to be such an aesthetic triumph that Antipater of Sidon identified it as one of his Seven Wonders of the Ancient World.

The word mausoleum has since come to be used generically for any grand tomb, though "Mausol – eion" originally meant "[building] dedicated to Mausolus".

The construction of the Mausoleum

Artemisia spared no expense in building the tomb. She sent messengers to Greece to find the most talented artists of the time. These included Scopas, the man who had supervised the rebuilding of the temple of Artemis at Ephesus. The famous sculptors were (in the Vitruvius order) Leochares, Bryaxis, Scopas and Timotheus, as well as hundreds of other craftsmen.

The tomb was erected on a hill overlooking the city. The whole structure sat in an enclosed courtyard. At the center of the courtyard was a stone platform on which the tomb sat. A stairway flanked by stone lions led to the top of the platform, which bore along its outer walls many statues of gods and goddess. At each corner, stone warriors mounted on horseback guarded the tomb. At the center of the platform, the marble tomb rose as a square tapering block to one-third of the Mausoleum's 45-meter (135 ft) height. This section was covered with bas-reliefs showing action scenes, including the battle of the centaurs with the lapiths and Greeks in combat with the Amazons, a race of warrior women.

On the top of this section of the tomb thirty-six slim columns, nine per side, rose for another third of the height. Standing between each column was a statue. Behind the columns was a solid cella-like block that carried the weight of the tomb's massive roof. The roof, which comprised most of the final third of the height, was pyramidal. Perched on the top was a quadriga: four massive horses pulling a chariot in which rode images of Mausolus and Artemisia.

Temple of Artemis at Ephesus

The Temple of Artemis (Greek: Ἀρτεμίσιον Artemision), also known less precisely as Temple of Diana, was a Greek temple dedicated to Artemis completed— in its most famous phase— around 550 BC at Ephesus (in present-day Turkey) under the Achaemenid dynasty of the Persian Empire. Nothing remains of the temple, which was one of the Seven Wonders of the Ancient World. There were previous temples on its site, where evidence of a sanctuary dates as early as the Bronze Age.

The old temple antedated the Ionic immigration by many years. Callimachus, in his Hymn to Artemis, attributed the origin of the temenos at Ephesus to the Amazons, whose worship he imagines already centered upon an image (bretas). In the seventh century the old temple was destroyed by a flood. Around 550 BC, they started to build the "new" temple, known as one of the wonders of the ancient world. It was a 120-year project, initially designed and constructed by the Cretan architect Chersiphron and his son Metagenes, at the expense of Croesus of Lydia.

It was described by Antipater of Sidon, who compiled the list of the Seven Wonders:

"I have set eyes on the wall of lofty Babylon on which is a road for chariots, and the statue of Zeus by the Alpheus, and the hanging gardens, and the colossus of the Sun, and the huge labour of the high pyramids, and the vast tomb of Mausolus; but when I saw the house of Artemis that mounted to the clouds, those other marvels lost their brilliancy, and I said, "Lo, apart from Olympus, the Sun never looked on aught so grand".

Location

Synthesizing Artemis of Ephesus: an 18th-century engraving of a Roman marble copy of a Greek replica of a lost Geometric period xoanon.

The Temple of Artemis was located near the ancient city of Ephesus, about 50 km south from the modern port city of İzmir, in Turkey. Today the site lies on the edge of the modern town of Selçuk.

Statue of Zeus at Olympia

The Statue of Zeus at Olympia was one of the Seven Wonders of the Ancient World. It was made by the Greek sculptor of the Classical period, Phidias, circa 432 BC on the site where it was erected in the temple of Zeus, Olympia, Greece.

The seated statue, some 12 metres (39 feet) tall, occupied the whole width of the aisle of the temple built to house it. "It seems that if Zeus were to stand up," the geographer Strabo noted early in the first century BC, "he would unroof the temple."Zeus was a chryselephantine sculpture, made of ivory and gold-plated bronze. No copy, in marble or bronze, has survived, though there are recognizable but approximate versions on coins of Elis and Roman coins and engraved gems but a very detailed description of the sculpture and the throne was recorded by the traveller Pausanias, in the second century AD. In the sculpture, he was wreathed with shoots of olive and seated on a magnificent throne of cedarwood, inlaid with ivory, gold, ebony, and precious stones. In Zeus' right hand there was a small statue of crowned Nike, goddess of victory, also chryselephantine, and in his left hand, a sceptre inlaid with metals, on which an eagle perched.Plutarch, in his Life of the Roman general Aemilius Paulus, records that the victor over Macedon, when he beheld the statue, “was moved to his soul, as if he had beheld the god in person,” while the Greek orator Dio Chrysostom declared that a single glimpse of the statue would make a man forget his earthly troubles.



The date of the statue, in the third quarter of the fifth century BC, long a subject of debate, was confirmed archaeologically by the rediscovery and excavation of Phidias' workshop.

Hanging Gardens of Babylon

The Hanging Gardens of Babylon, also known as the Hanging Gardens of Semiramis, near present-day Al Hillah in Iraq (formerly Babylon), is considered one of the original Seven Wonders of the World. They were built by Nebuchadnezzar II around 600 BC. He is reported to have constructed the gardens to please his wife, Amytis of Media, who longed for the trees and fragrant plants of her homeland Persia.The gardens were destroyed by several earthquakes after the 2nd century BC.

The lush Hanging Gardens are extensively documented by Greek historians such as Strabo and Diodorus Siculus. Through the ages, the location may have been confused with gardens that existed at Nineveh, since tablets from there clearly show gardens. Writings on these tablets describe the possible use of something similar to an Archimedes' screw as a process of raising the water to the required height.



Controversy

There is some controversy as to whether the Hanging Gardens were an actual creation or a poetic creation due to the lack of documentation of them in the chronicles of Babylonian history. In ancient writings the Hanging Gardens of Babylon were first described by Berossus, a Chaldean priest who lived in the late 4th century BC. These accounts were later elaborated on by Greek historians.

A newer theory proposes that the garden was actually constructed under the orders of Sennacherib, who took the throne of Assyria in 705–681 BC. During new studies of the location of Nineveh (Located on the eastern bank of the Tigris in ancient Assyria) his gardens were placed close to the entrance of his palace, on the bank of the river Tigris. It is possible that in the intervening centuries the two sites became confused, and the hanging gardens were attributed to Babylon.

Pyramid of Giza

The Great Pyramid of Giza, also called Khufu's Pyramid or the Pyramid of Khufu, and Pyramid of Cheops, is the oldest and largest of the three pyramids in the Giza Necropolis bordering what is now Cairo, Egypt, and is the only remaining member of the Seven Wonders of the Ancient World. It is believed the pyramid was built as a tomb for Fourth dynasty Egyptian King Khufu (Cheops in Greek) and constructed over a 20 year period concluding around 2560 BC. The Great Pyramid was the tallest man-made structure in the world for over 3,800 years. Originally the Great Pyramid was covered by casing stones that formed a smooth outer surface, and what is seen today is the underlying core structure. Some of the casing stones that once covered the structure can still be seen around the base. There have been varying scientific and alternative theories regarding the Great Pyramid's construction techniques. Most accepted construction theories are based on the idea that it was built by moving huge stones from a quarry and dragging and lifting them into place.

There are three known chambers inside the Great Pyramid. The lowest chamber is cut into the bedrock upon which the pyramid was built and was unfinished. The so-called Queen's Chamber and King's Chamber are higher up within the pyramid structure. The Great Pyramid of Giza is the main part of a complex setting of buildings that included two mortuary temples in honor of Khufu (one close to the pyramid and one near the Nile), three smaller pyramids for Khufu's wives, an even smaller "satellite" pyramid, a raised causeway connecting the two temples, and small mastaba tombs surrounding the pyramid for nobles.