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

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

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

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

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

The narrowest street in Paris.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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

The history of radiation is on safe display at the foot of a radiation science laboratory.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A subterranean shelter remains intact under a busy Paris railway station.

Museum dedicated to awful artwork.

Seattle's own bad art museum located inside Cafe Racer.