This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

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

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

See massive fossils that are over 200 million years old in northeastern Arizona.

The land is home to swimming ponies and a legendary 18th-century treasure.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Every president in history is immortalized in bronze in downtown Rapid City.

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.

A fitting attraction for the corn capital of the world.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

The ruins of a medieval monastery named after a type of tree.

A hugely vast Irish landscape of barren rock that stretches for miles.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.