The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This bridge is haunted by the ghost of a distraught mother.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

A house carved into a rock in the 1940s.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

A haunted hill that supposedly defied gravity.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A building so large that it has its own weather.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.

Electrical pylon in the shape of Disney's beloved mouse.

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

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

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

A vast array of tropical plants collected by a vacationing couple.