An abandoned relic of the city's failed experiment with below ground transit.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The intriguing personal collection of a professional demon-chaser.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

This quirky curiosity shop takes its cues from the world's bazaars.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

A clear blue swimming hole with hidden caves, still unexplored.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A celebration of capitalism in Midtown.

The second oldest continuously operating bar in Louisiana.

An abandoned castle owned and ignored by Masons carries a cursed history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.