19th century pendulum and a clock restored by a rogue group of guerilla artists.

Notorious artist squat renovated into legal studios.

The oldest stone house in Paris was built by its most famous alchemist.

France's most famous cemetery, with some of its most curious tombs.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

A reservation-only highland forest reserve of endangered Pinsapar firs stands above a village in Andalucía.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A preserved 18th century steel factory.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

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

This haunting stone chasm is a hotbed of mossy rock and English legend.