The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This town is home to the world’s largest arch constructed entirely of elk antlers.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

A beautiful geyser under environmental threat.

An experimental, automotive replica of Stonehenge.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

An oddities shop that dabbles in the deathly and beautiful.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The only ancient owl carving found east of the Mississippi.

Town of spiritualists and mediums in Florida.

The tree is thought to be the oldest oak in Texas and was once crowned state champion for its monumental size.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

Who said a biker bar is no place for a taxidermy squirrel collection?