Bad farming practices caused this unnatural natural wonder.

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

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

The world's largest fire hydrant is supposedly tornado-proof.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The first statue of Christ sleeping on a bench in the United States confused its affluent parish.

A psychological self-portrait in the form of a giant, segmented head.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Tour the sci-fi-esque reality of governmental disease management.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Live long and prosper in Tennessee.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Visit this playground of waterfalls, caves and sinkholes.

Moonbows over Kentucky.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

All that's left of the quintessential "cabin in the woods."

Mile-long cave system near Great Smoky Mountains.

Enormous lake at the bottom of a unique cave system.