Once the most densely populated place in the world, this island is now a ghost town.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

The secret city built by the Manhattan Project.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Underground tunnels remain beneath this abandoned mental asylum.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

A Hawaiian stairway to heaven—that you can't climb.

Watch the newest land on the planet form before your eyes.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Electrical pylon in the shape of Disney's beloved mouse.

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

A piece of John the Baptist in the American heartland.

Where serial killer Aileen Wuornos drank her last beer.

The third tallest lighthouse in America once guided author Stephen Crane to safety.