What was once the largest NFL stadium.

The remains of a deserted 1800s farming community can be found in Little River State Park.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Mile-long cave system near Great Smoky Mountains.

All that's left of the quintessential "cabin in the woods."

The world's largest squirrel statue clutches a pecan bigger than your head.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

No one knows the origin of this small town’s unique name.

A giant telephone commemorates the last "crank" call ever made in the U.S.

Would you like a sleeper hold with that?

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The United States Capitol's former columns still stand.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The man who was president for only one day and spent most of it asleep.