Mysteries at the Castle

A gruesome 17th-century science experiment took place at an iconic German castle; the ancestral home of an English aristocrat.

England's iconic Tower of London; a bastion in the south of France; an ancient German castle.

A British manor house inspired a creepy masterpiece, "The Hound of the Baskervilles"; a German castle.

An inheritance dispute took place at an English country estate; a Colonial mansion in Virginia; the ruins of a Scottish castle.

A 15th-century power struggle climaxed at a giant fortress in Scotland; an Italian villa; upstate New York mansion.