A mural in rural Georgia welcomes visitors to a fictional Missouri town.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

This historic lavatory leftover features two levels of defecation stations completely without context.

The world's largest collection of the world's largest objects is in one small Illinois town.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

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

Erosion and time have created a naturally-formed water park.

Jule Körner's house full of bizarre architectural details.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This ancient settlement contains some of the largest earthen mounds in North America.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

A cannonball from Union forces battling John Hunt Morgan made this church a permanent home.

The first "Hut" was actually a small brick building.

The first KFC is on the National Register of Historic Places.

The museum chronicling a treasure hunter's dream, fulfilled.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Leaking natural gas never stops burning on this hill, making it an infinite inferno.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

Giant instrument-shaped home in Fayetteville, Georgia.

This unassuming city park is home to three different types of Native American mounds.

An old curiosity shop holds on to a centuries-old tradition of manually-distilled rose water.

Swirling layers of white and red rock earned these mountains their festive nickname.