This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

An eerie, derelict amusement park in Berlin.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An emerald-green grotto just a short trip from Austin.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A psychedelic labyrinth on the San Francisco bay.

An exquisite tunnel of cascading flowers.

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

On Japan's Tashirojima Island, cats are king.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

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

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A snapshot of the city's fascinating voodoo culture.