This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The world's only museum devoted to the wonders of fluorescence.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A snapshot of the city's fascinating voodoo culture.

Thousands of well-dressed mummies below a monastery.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The fairy tale castle of the "fairy-tale king."

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A castle built by an eccentric medieval enthusiast in rural Ohio.

A real flying saucer, contracted by the U.S. Air Force.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Crumbling hotel echoes with the sounds of the '30s.

Fantastic collection celebrating the final send-off.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

Free public park and gardens filled with peacocks and peahens.

Some islands... they come, they go, especially on Lake Travis.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.