Once a staging site for World War II munitions.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

This historic, one-acre island is the only legal place to camp in the city of Richmond.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

This old-fashioned carhop restaurant gave the world the waffle cone.

A lightship turned museum, outfitted with artifacts from the vessel's past as part of the U.S. Lighthouse Service.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

A small Richmond island dotted with the remnants of hundreds of years of history.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Home to Hollywood history and a very special salt crystal.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Secret US military film studio in the Hollywood Hills.

The remains of the worst maritime disaster in the history of the "Graveyard of the Pacific."

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

A geological mystery on Camelback Mountain.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

An errant donkey ushered in a new era of mining in Nevada.