Mysteries of the Abandoned: Hidden America

An eye-catching collection of graffiti covered structures that were once a pioneering entertainment attraction now stand derelict in the Mojave Desert; experts investigate and reveal the revolutionary remnants of America's first waterpark.

A curiously designed, windowless building adorned with gold tinted diamond shapes now stands derelict in Tulsa; experts investigate and uncover a controversial religious figure and the headquarters behind a pioneering form of American TV evangelism.

A monstrous airplane that helped America reach new, historic heights sits decommissioned in Tucson, Arizona; experts investigate and reveal one of the most important aircraft of the 20th century and its contribution to the Apollo spaceflight program.

A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, South Dakota; experts investigate and uncover a once highly-secure WWII ordnance site designed to store deadly munitions.

A derelict ghost town shows a curious revitalization along an iconic highway in the Mojave Desert; experts investigate and reveal a once thriving and bustling Route 66 stopover that's being resurrected into a historic Americana destination.

A historic sea vessel once considered the pinnacle of American engineering now rusts in the Delaware River; experts investigate and reveal the fastest passenger liner ever constructed and a masterpiece of marine architecture that doubled as a US warship.