You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

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

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

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

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

Famous for its bio-luminescent inhabitants, known as "dismalites."

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

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

Mile-long cave system near Great Smoky Mountains.

A cemetery for only coon hounds in northwest Alabama.

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

A miniature city built by a single hunchbacked monk.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

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

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

World's largest collection of Coke-related items not held by the Coca-Cola company.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

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

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

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.

An homage to the pointers and retrievers that have long been a hunter's best friend.