More than five miles of underground passageways.

Unique tower has outlasted a takeover of the company.

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

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Priceless space junk on display in front of a local Dairy Queen.

This recreation of a 19th-century dime museum is full of oddities.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The site of America's first commercial oil well essentially disappeared after the town went bust.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

"Where the ducks walk on fish."

For decades, it has disappeared and reappeared as water levels rise and fall.

A diorama of the Civil War, fought by cats.

Where the oil industry began.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This collection honors the iconic, and proudly American lighter that just won't quit.

This dramatic rail curve was once the target of a failed Nazi attack.