Castles

Where thousands of slaves passed through the "Door of No Return."

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

This imposing modern citadel started out as a home renovation project.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

Striking ruins of a mansion that stood center stage in one of modern Brazil's most puzzling crimes.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

This Brazilian palace island was once the site of the last grand ball before revolution.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

This crumbling folly looks like an enchanted left over from Middle Earth.