In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

A large stone map of Arkansas awaits visitors to its highest point.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

An homage to everyone's favorite prehistoric cartoon family.

A Saint Nicholas-themed ghost town in the Mojave desert.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

The school tested mustard gas for the U.S. Army during World War I.

A nostalgic bibliographic gem.

Look closely and you’ll notice that the color changes a third of the way up the tower.

100 years later, they're still down there.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

This artsy public restroom is shaped like a giant john.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

When you can afford only half a road, you build only half a road.

The final resting place of the camel who served with the Confederate Army during the Civil War.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This divisive system of turtle tunnels was built to save animals stranded after a highway split a lake in half.