Tower of Babel: Did you mean...?

The tower (donjon) of Rochester Castle, Kent, England, which was built in the 12th century CE.

The main tower of Osaka Castle in Japan, built 1584.

Tower of Constance, Aigues-Mortes, France.

Tower tombs in northern Oman, estimated to have been constructed 5,000 years ago. (Used with permission)

The Maiden Tower, Baku, Azerbaijan, built in the 12th century.

The south tower of the Wyndclyffe estate of Elizabeth Schermerhorn Jones (l. 1810-1876) built in 1853, abandoned in 1950, and now in ruins. Rhinecliff, NY, c. 2005.

Aoba Castle (also known as Sendai Castle) was built in 1611. The castle was repeatedly damaged by natural disasters such as earthquakes and fires, particularly during the 17th Century, as well as human conflict. Several structures, including...

A Tower of Silence, Yazd, Iran. These structures are used in Zoroastrianism when the dead are exposed to scavengers.

Tower of Constance and Ramparts on an early 20th-century postcard.

The Bell Tower of the Buddhist Enryakuji temple complex, Mt. Hiei, Japan. The site was founded by the monk Saicho in the early 9th century CE but all the buildings are later reconstructions.