A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The world's longest known cave system.

A dilapidated dock tells the story of Titanic's missed arrival.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

New York's oldest magic store.

Remnants of a storybook amusement park hidden behind a strip mall.

Try not to get slimed in Tribeca.

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

A bizarre house filled with an astounding array of collections.

World's first "penitentiary," meant to be humane, drove men insane.

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

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."