A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

Historic funicular railway, believed to be the shortest railroad in the world.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The private clubhouse for the members of the Academy of Magical Arts.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

America's most famous piece of self-built architecture.

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

An artist's cute bronze subway sculptures belie his violent artistic past.

A bit of retro transportation flair preserved in the world's largest department store.

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

New York's oldest magic store.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This South London cemetery holds the remains of more than 15,000 people.

Monument to a suicide protesting the Soviet invasion.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”