The phone booths of New York City have all but disappeared, but their remains were once found in this "graveyard," sadly now removed as well.

Check your calendars; you might be attending a drive-in movie or sitting next to a fashion runway.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

A Bed-Stuy gymnasium that hosts expansive raves, performances, dance parties, and more.

Abandoned railway line circling the city of Paris.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

France's most famous cemetery, with some of its most curious tombs.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This Parisian café sticks almost exclusively to an ethos of reuse.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

What looks like a normal building is really a hollow facade hiding a subway vent.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This Parisian café is dedicated to great tea and the art of knitting.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.