This once-booming Gold Rush town is now home to a herd of feral donkeys.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.

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

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

A popular tourist cave with a dark past.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

A trash dump made beautiful by nature's power.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

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

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

A remote crossroads honoring a fallen talent.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.