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

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

The palatial McDonald's that inspired Wesley Willis.

A hollow cement depiction of time's inexorable effect on the human body.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The world's longest known cave system.

The first full-scale tunnel built in America is short but scenic.

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

A monument celebrating the idea of reaching inaccessible places.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

"We Seceded Where Others Failed."

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Bad farming practices caused this unnatural natural wonder.