Round Tower: Did you mean...?

The White Tower of the Tower of London castle, first built c. 1077-1110 CE by William the Conqueror.

St. Thomas' Tower and the Traitor's Gate as seen from the Thames. St. Thomas' Tower was added to the Tower of London by Edward I (r. 1272-1307 CE), its construction lasted from 1275 - 1279.

Colonel Thomas Blood, a known conspirator, made an infamous but unsuccessful attempt to steal the British Crown Jewels from the Tower of London in 1671. Disguised as a clergyman, Blood and his gang swiped the royal regalia from under the...

Chain Tower and Saint Nicholas Tower, La Rochelle, France.

This is a picture of the Black Tower (Italian: Torre Nero) in the foreground and White Tower (Italian: Torre Bianca) in the background at the medieval fortress of Castelgrande in Bellinzona, Switzerland.

Richard III of England ruled as king from 1483 to 1485 CE. Richard succeeded Edward V of England (r. Apr-Jun 1483 CE), the son of Edward IV of England (r. 1461-1470 CE & 1471-1483 CE) in mysterious circumstances. The young Edward V and his...

Medieval castles were built from the 11th century CE for rulers to demonstrate their wealth and power to the local populace, to provide a place of defence and safe retreat in the case of attack, defend strategically important sites like river...

Khotyn fortress is a complex of fortifications situated on the hilly right bank of the Dniester in Khotyn, Ukraine. It consists of a 13th-century stronghold and an 18th-century bastion surrounding it. It is one of the oldest preserved fortifications...

The Lighthouse of Alexandria was built on the island of Pharos outside the harbour of Alexandria, Egypt c. 300 - 280 BCE, during the reigns of Ptolemy I and II. With a height of over 100 metres (330 ft), the lighthouse was so impressive that...

Chepstow Castle, located in Monmouthshire, South Wales, was first built c. 1067 by William FitzOsbern and then significantly improved c. 1190 CE by Sir William Marshal (c. 1146-1219 CE), one of England's greatest ever knights who served four...