An outsider art duo's yard has been turned into a whimsical public gallery.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

The boulder is a landmark, public art, and an icon.

This mysterious medieval grotto holds a grid of sacred wells of unknown purpose.

Narrow passes cut out of mountains surround the medieval capital of Japan.

It is said that coins washed in the waters here will miraculously multiply.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

Temporary Burning Man sculpture made of two 18-wheelers.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The most beautiful Taco Bell in the world even has surfboard parking.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A secluded, little-known temple hidden amid the dense jungle.

The oldest military monument in the United States.

This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

This statue honors the author's groundbreaking family story.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

10,000 flowered plants bloom in the City of Roses.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.