Shop selling 500 flavors of soda has something for everyone.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

World's largest collection of serial killer artwork and other macabre exhibits.

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

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

A collection of haunted objects and macabre oddities under one roof.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

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

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

An arcade packed with a rotating collection of unique independent video games.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Lie in a hammock where George Washington stood.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Nondescript elevator doors open to reveal a stunning, surreal world.

A very classy 1920s-era bar right in Grand Central Station.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A celebration of capitalism in Midtown.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

One of only two commuter aerial tramways in the United States.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.