An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Apartment complexes built into huge repurposed natural gas tanks.

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

This Parisian café sticks almost exclusively to an ethos of reuse.

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

The tallest city hall in the world offers an excellent bento box.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

Makers and sellers of the original and finest York Ghosts.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

The stunningly blue waters of these beautiful caves also have a violent past.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This Vietnamese bar doubles as a multistory labyrinth.

Denmark’s never-ending bridge.

A technicolor place of worship for Elevationists.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

This small shop walked so America could run on Dunkin'.

Countless grotesque faces stare out from this eerie Prague art wall.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

A network of fortifications that never saw conflict.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

Nature took her revenge on the "Wickedest City in the World."

The eccentric mansion of one of the most popular horror authors of modern times.