This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

This giant tower beacon was a key navigation tool for pilots delivering mail amid the night skies.

A tree bears footwear on the loneliest road in America.

This giant slab of driftwood marks the beginning of the Winnemucca to the Sea Highway.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

Local history museum with mammoth bones and an old myth about local giants

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Mine your own precious stones.

There's nothing creepier than a cemetery next to a clown motel.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

Home to a timed geyser created by complete accident.

See just what life was like in a 19th-century prospecting town.

Natural rock water slides hidden in the remote forests of northern Idaho.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A tunnel with windows, so you don't miss out on the impressive views.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

Rippling sand dunes frozen in the Arizona rock.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.