This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

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

This Parisian gem is one of the most incredible ethnographic museums in the world.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

France's national museum of scientific and industrial instruments.

A haunting collection of the vanished and disappearing natural world.

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

There must be a pun in this haystack somewhere...

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

An annual extravaganza of Broadway theater memorabilia.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

Detailed facade of a brownstone in Boerum Hill.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.