This bridge was constructed from the rubble of the infamous Bastille.

The university library shaped like a giant piece of Swiss cheese.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

Artworks by loners, prisoners and the criminally insane.

The only pub in the world surrounded by an ancient stone circle.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

The silent film master's legacy commemorated in all the right and wrong places.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

The two-cell building in Nebraska was briefly owned by a teenage boy and then a Hollywood dummy.

A measuring mishap led to these artificial stone ladies losing their stomachs.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

You can row a boat through this ancient underground reservoir.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This former coal gasification plant found a curious second life as a popular public park.

This repurposed church offers a more literal way to get closer to the heavens.

Apartment complexes built into huge repurposed natural gas tanks.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Norway has built what may be the world's most beautiful public toilet.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.