These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

London's smallest police station is barely the size of a phone booth.

Unique antiquarian shop specializing in globes, maps, and prints.

Japanese national treasure originally built in 593 CE.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

A collection of abandoned typographic signs from Berlin and beyond.

Abandoned bridge hidden deep in the San Gabriel Mountains.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

The secret city built by the Manhattan Project.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

Even Henry David Thoreau found this glacial pothole irresistible.

This edible park is open to any and all foragers.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Legends surround this jagged rock formation in the New Mexico desert.