A collection of old shoes in the middle of nowhere.

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

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A natural dome made of volcanic glass in Inyo National Forest.

This former luxury resort in Kaua'i is now an abandoned relic.

This blowhole is supposedly caused by a trapped monster.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

A historic train ride from California to Mexico.

The second-largest giant sequoia in the world.

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 hidden courtyard houses early 20th-century plaster masterpieces.

Three nine-foot-tall bathing beauties perched elegantly on life-rings welcome visitors to the Alki waterfront.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

A very tiny church, bisected by a now-dead oak tree and marooned in the middle of a shopping center parking lot.

Make sweet music as you walk through this interactive sonic sculpture.

The helicopter that "Tricky Dick" absconded from the White House in on his last day in office.

Unusual white sandstone formations in the Los Padres National Forest.

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

A family agreed to sell their property to Disney on the condition that this tree, planted as a wedding gift, would not be removed.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

A Saint Nicholas-themed ghost town in the Mojave desert.