Less a museum than a bizarre fantasy world created by artists and engineers.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

2300-year-old Roman road connecting the empire.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

The huge granite obelisk that towers over a small California town.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

An overlooked memorial honoring the local Washington residents who died in World War I.

Washington's iconic carousel has a nice piece of Civil Rights history.

It was once the base for a series of domestic terror attacks.

There’s a hidden military meme engraved on the World War II Memorial.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

Art deco landmark on the outskirts of Washington, D.C.

The most accurate timepiece in the world.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

On a small Puerto Rican island, banks of secret naval bunkers lie abandoned and filled with piles of office equipment.