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The second tallest of these megalithic edifices found in Sardinia and tallest still standing. Located in Italy.
Photo Credit: © Michel Royon / Wikimedia Commons
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The palace of Barumini is formed by a huge quatrefoiled nuraghe, whose central tower is its oldest construction. Originally it was almost 20 metres high and divided into three floors. Located in Italy.
Photo Credit: @Ciamabue
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Built for the Kassite King Kurigalzu. Located in Irac
Photo Credit: @Robert William Rogers Wikimedia Commons.
https://upload.wikimedia.org/wikipedia/commons/3/32/%E2%80%98Aqar_Q%C5%ABf.jpg -
The monument has a central tower and 2 side towers, the former with an entrance defined by a massive lintel of 3.20 m. The central chamber has a false dome, which is more than 6 meters high Photo Credit: @Heinz-Josef Lücking Wikimedia Commons
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One of the few extant ziggurats outside of Mesopotamia. Located in Iran.
Photo Credit: @en:User:Zereshk.
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The tallest and widest dome in the world for over a thousand years. Located in Greece. The Treasure of Atreus (also "Treasury of Atreus" or "Tomb of Agamemnon") is the most impressive of the "tholos" tombs at Mycenae, Greece (Panagitsa Hill) constructed around 1250 B.C. Photo Credit: @Wikimedia Commons
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The most famous megalithic chamber tomb in Minorca. Located in spain
Photo Credit: @Wikimedia Commons.
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Dún Aonghasa, also called Dun Aengus, has been described as one of the most spectacular prehistoric monuments in western Europe. The drystone walled hillfort is made up of 4 widely spaced concentric ramparts. Located in Ireland, Europe
Photo Credit: @Herbert Ortner Wikimedia Commons
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Near Kivik is the remains of an unusually grand Nordic Bronze Age double burial. Located in Sweden, Europe
Photo Creidt: @Fantomen on sv.wikipedia
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One of the oldest standing structures of the Mesoamerican cultures. First steps in the creation of a sun based calendar. Located in Mexico Photo Credit: @Thelmadatter Wikimedia Commons
https://upload.wikimedia.org/wikipedia/commons/1/1c/Leading2PyramidCuicuilcoDF.JPG