The Ark is a large earthen fortification located in the northwestern part of contemporary Bukhara. In layout, it resembles a modified rectangle, a little elongated from the west to the east. The perimeter of the external walls is 789.6 m (2,591 ft), the area enclosed being 3.96 ha (9.8 acres). The height of the walls varies from 16 to 20 m (52 to 66 ft). In addition to being a military structure, the Ark encompassed what was essentially a town that, during much of the fortress"s history, was inhabited by the various royal courts that held sway over the region surrounding Bukhara.

Sokolac Castle (Croatian: Gradina Sokolac) is a castle in Brinje, Croatia. It is named after the Croatian word for falcon...Read more

Archaeologists unearth a 3,400-year-old pyramid from the Scythian-Saka period in Kazakhstan During four excavation seasons at the Karajartas Mausoleum in the...Read more

The Corgarff Castle is located slightly west of the village of Corgarff, in Aberdeenshire, north-east Scotland. It stands by the...Read more

Schifanoia Castle stands amidst centuries-old trees and fertile lands, near the town of Valfabbrica. The current name derives from schivar la...Read more

The Menhir de Champ-Dolent stands near Dol-de-Bretagne in Brittany, France, as one of the tallest and most impressive megalithic monuments...Read more

Mamure Castle (Turkish: Mamure Kalesi) is a medieval castle in the Bozdoğan village, Anamur ilçe (district) of Mersin Province, Turkey. Designed...Read more

Iceberg A23A, one of the largest icebergs in the world, has recently become unstuck from the seafloor near Antarctica and...Read more

Karlštejn Castle was founded in 1348 by Charles IV, King of Bohemia and Holy Roman Emperor as his private residence...Read more

Located on a cliff in southern Italy, Craco is a deserted medieval village abandoned after a series of landslides between...Read more

Eketorp is an Iron Age fort, located in southeastern Öland, Sweden, and extensively reconstructed and enlarged in the Middle Ages....Read more