An eye-catching collection of graffiti-covered structures that were once the Lake Delores Waterpark, a pioneering entertainment attraction now standing derelict in California's Mojave Desert. Experts investigate and reveal the revolutionary remnants of America's first waterpark.

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