This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A house carved into a rock in the 1940s.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

A small museum celebrating the fiberglass giants that are icons of America's highways.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

The abandoned coal loading dock is a canvas for unsanctioned art.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

World's first "penitentiary," meant to be humane, drove men insane.

An offbeat angle on the ocean viewed through an antiquated lens.

A giant donut stands as a popular symbol of Los Angeles iconography.

Golden Gate Park's historic collection of plants.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

San Francisco's newly reopened hands-on science museum.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A one-of-a-kind collection of a unique medium.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.

Lighthouse-cum-columbarium where "Nor'easters" and grandma go to die.

Two massive rock outcroppings on the Oregon coastline.