Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Two flush headstones mark the only known graves to be embedded in an airport runway.

"X" marks the spot of an echo chamber in the middle of a plaza.

A vast collection of rare, historical, and vintage supercomputers.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

Death comes to anyone who dares to touch this concrete column.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

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

Mai Tais and Navy Grog served up in one of the original tiki bars.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

This beautiful Miami garden was designed as a laboratory for tropical plants.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

The scuba diving training facility was named for the steam that rises from the cave's chimney.