Profile of a sleeping person 4km long in 250m high cliffs.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

Bronze statue marks the spinach capital of the world.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

An outsider art studio that created a piece of work so popular they had to turn mainstream.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

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

A peaceful place in the woods where everything is a work in progress.

This Lady Liberty is the oldest replica of its kind outside the state of New York.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

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

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

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

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

A cemetery housing wild west legends in South Dakota.

The final resting place of New England's last "vampire."

Eco-friendly island mansion.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mysterious stone tower featured in many alternative histories of the New World.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Oldest synagogue in the United States.