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

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

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

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

An homage to everyone's favorite prehistoric cartoon family.

A Saint Nicholas-themed ghost town in the Mojave desert.

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.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

The abandoned personal amusement park of the King of Pop.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

It would take 35 firetrucks to fill this enormous glacial pothole.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

100 massive sculptures in the Hudson River Valley.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.