This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

An eerie, derelict amusement park in Berlin.

Abandoned waterpark turned counter-culture mecca.

Remnants of a storybook amusement park hidden behind a strip mall.

An abandoned water park overtaken by the dunes.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

An abandoned Santa park is as far as this proposed theme park kingdom got toward completion.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

This abandoned amusement park was built on a site with a dark history.

This empty Detroit high school was too expensive to maintain or destroy.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.