This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The romantic botanic tunnel feels like a well-kept secret.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

Antiques by the Bay.

Are they the remains of a fallen hotel, or the final stronghold for escaped Nazis?

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.