The world's most famous donkey lives in this pen.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

More than 700 species live within this murky marvel of a swamp on California's coast.

It is locally loved and ridiculed for literally looking like poop.

The largest permanent Monopoly board makes one of the longest games even bigger.

An extensive collection of ancient Egyptian artifacts and mummies.

The headquarters of a secretive order is also a beautifully-designed park.

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

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A small chapel celebrating the spiritual bond between dogs and humans.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.