The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

Perfume museum and library.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

Former hunting lodge of a duke who was an avid collector of impressionist works.

A museum of carnival attractions where you are invited to ride the rides.

A French artist's vague warning hangs over Belleville.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Paris' linguistic guide to the international language of, yes, love.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

The celebrated eyesore created by starry-eyed sweethearts.

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

This banal Parisian entranceway is not what it seems.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

An odd museum dedicated to French fakes.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

An unusual number plate signifies the building's saucy past.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.