A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

A group dedicated to promoting boating, kayaking and environmental education programs.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

A mansion where wonders of Christmas are celebrated all year long.

Before building her own tombstone, an untrained artist created a concrete menagerie in her garden.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

This former quarry is now a picturesque gorge that hides a sunken lake.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

A spiral staircase twists to the top of this unusual Czech lookout tower.

This doorless 20th-century elevator doesn't stop or slow down.

An unusual cave filled with rare alien-looking aragonite formations.

A perfectly preserved hill village where the buildings are painted like white lace.

19th century cemetery hidden in Brooklyn's Prospect Park.

Volunteer-run library dedicated to exploring five decades of activism history.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

Abandoned power station once home to a squatter community, now being developed into an arts center.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Dim sum, served in a grand old theater.