17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The corpse bride of Portugal.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Hidden in a Scotland museum is a copse of extinct tree stumps.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Stroll through a wonderland of stupendous moss-covered trees.

Bringing back the art of handmade custom coffins.

This is the house that spite built.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This church, better known for its weeping portrait of the Virgin Mary, also houses the world's oldest existing piece of taxidermy.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Artistic Oasis in Industrial Ballard.

A Building for Your (Former) Funerary Needs.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

A toxic ghost town sitting atop a massive coal fire.