“A man’s home is his castle,” goes an old saying one doesn’t hear that often anymore. Perhaps that’s because most of us moderns don’t think of our residences as medieval redoubts or seats of empires.

A medieval French castle dripping with history — and possibly Napoleon’s hidden gold — is for sale, asking $3.8 million. The Chateau de Saint-Chartier, a 1,500-year-old fortress in Saint-Chartier ...

A Medieval-inspired castle completed in 1990 is on sale for $2.3 million in Rochester, Michigan. LeBlanc Castle has 26 rooms and includes a moat and drawbridge, and hidden passageways. Nick Asplund, a ...