San Francisco's newly reopened hands-on science museum.

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

Sloth rehabilitation center in the jungle of Costa Rica.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

Exotic feline breeding compound and conservation center.

A former utopian healing center created by a huckster and built by derelicts.

Local history museum with mammoth bones and an old myth about local giants

Singing sand that stands as the final remains of an ancient lake.

The smallest country in the world.

Once the most densely populated place in the world, this island is now a ghost town.

Shop selling 500 flavors of soda has something for everyone.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Medical and zoological curiosities for sale.

An astounding collection of medical specimens, including bits of President Lincoln.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

This chest hospital with a dark, haunted past serves as a fitting set for horror films and a paradise for ghost hunters.

Eyam took steps to quarantine themselves and keep the plague from spreading.

Abandoned Air Force base that has fallen into disrepair.

A small medical museum with a recreated doctor's office.

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

An extensive collection of ancient Egyptian artifacts and mummies.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Ever hear of the Milazzo Cage?

Arrr! The most authentic collection of pirate artifacts in the world... matey.