An enormous natural sandstone bridge in Kentucky.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Follow the steps, and this roadside artwork will teach you how to dance.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

More than five miles of underground passageways.

One person's lost luggage is another person's treasure.

Live long and prosper in Tennessee.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

This stone incorrectly marks the 35th parallel, causing some territorial kerfuffles.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

The pan man stands as a testament to the functionality of American cast iron cookware.