A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

A massive underwater sinkhole made famous by Jacques Cousteau.

A natural swimming hole that was once a ceremonial center for Mayan priests.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

Belly up to the bar in Cowtown, don't forget to buy some boots.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

One of the deepest blue holes in the world.

Columbus' failed colony in the New World.

Collection of fossils, plants, and ancient animals encased in amber.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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.

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

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.

This massive roadside mascot was the first version of the giant to illustrate his butt.

See how Laura Ingalls lived on the Minnesota prairie.

Elaborate drama imparts an appreciation for 19th century hardships.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

Where one of America's greatest songwriters lived before he was Bob Dylan.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

A memorial to the late U.S. Senator Paul Wellstone, who died at this location, along with seven others, in a plane crash in 2002.