The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

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

Resting place of Hollywood's immortals is also site of summer film screenings.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A bizarre house filled with an astounding array of collections.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

These fantastically named natural pools look like something out of a Scottish myth.

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

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

An exquisite tunnel of cascading flowers.