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

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

The building is topped by a Statue of Liberty statue whose torch has stayed burning since the museum opened.

A giant lumpy candle serves as a beacon for this highly scented pit stop.

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.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Less a museum than a bizarre fantasy world created by artists and engineers.

A big museum full of little worlds.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

This is not your typical jungle gym.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Symbolic attempt to overcome the issues of life.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.