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

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

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

The sunken structure looks like the victim of a catastrophic flood.

Abbey built on the ruins of Roman catacombs.

This collection of French root art looks like an indoor fairy wonderland.

This whimsical garbage disposal facility receives around 12,000 accidental tourists each year.

A kindergarten shaped like a cat with a tail that's a slide.