Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

This street has over a half-dozen names, all at once.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A collaborative art project that transformed a neighborhood in NYC's Queens.

The first piece of public art dedicated to LGBT rights.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

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

An enormous, inside-out glass globe built in 1935.

The world’s first penitentiary, meant to be humane, drove men insane.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

New York's oldest magic store.

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

New York's southernmost subway station is whimsically wavy.

An abandoned warehouse turned art sanctuary in New Orleans.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A huge resale shop for the cast-offs of the film & television industry.