An extraordinary mixture of natural beauty and man-made phenomena.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

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

European castle ruins in an American state park are actually the product of death and grief.

An enormous park-like oasis, full of famous Chicagoans' graves.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A mysterious castle built as a monument to lost love.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Rustic natural hot springs in the deciduous rain forest.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.