Cologne Cathedral, Germany.

Cologne Cathedral, Germany.

Germany’s most visited landmark, attracting an average of 20,000 people a day and currently the tallest twin-spired church (157m / 515ft) and the largest Gothic church in Northern Europe.

See also: fiveminutehistory.com/MedievalCathedrals

Kenilworth Castle, Warwickshire, England.

Kenilworth Castle, Warwickshire, England.

Besieged for six months in 1266, the Siege of Kenilworth is thought to be the longest in Medieval English history, and formed a base for Lancastrian operations in the Wars of the Roses.

See also: The finest Medieval Castle in England britainandbritishness.com/WarwickCastle

John Rawnsley.