An artsy hidden staircase leads to breathtaking views of San Francisco.

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Cat art as far as the eye can see.

A calico cat named Tama was the wildly popular Super Station Master at this train stop in southeast Japan.

This wonky bit of historical taxidermy is experiencing a second life online.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

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

The world's largest drain sits below the city of Kasukabe, Japan.

This 700-year-old street food market features baby octopus and soy donuts.

Japanese island famous for poison gas and fluffy bunnies.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Experience park where visitors are told to expect the unexpected.

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

On Japan's Tashirojima Island, cats are king.

This vast kitty-themed collection illustrates the history of human-cat interaction.

At a site that has witnessed many significant events, according to the fictional Kcymaerxthaere, it is best known as the place of lunar discovery.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

An extravagant western hotel where every floor is the "ground floor."

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.