Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A taste of the macabre Tokyo's ritzy shopping district.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A beautiful Victorian-era cemetery, complete with a miniature village.

A semi-scholarly approach to sex.

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

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

Medicinal spa created with the discharge from a geothermal energy plant.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A walk through the historic city center, under the streets of Seattle.

A church of bones, decorated with 40,000 human skeletons.

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

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

On Japan's Tashirojima Island, cats are king.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A magical place that lets you play in and explore the world of Studio Ghibli.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

A psychedelic labyrinth on the San Francisco bay.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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