The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Stroll through a wonderland of stupendous moss-covered trees.

Bodie's 20th-century rival was a paragon of respectability and calm—but the mines eventually ran dry.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

A wealth of seafaring history displayed on the California coast.

The only remaining hotel on the 1860s Henness Pass route over the Sierra Nevada is being restored.

This vast and otherworldly landscape is one of the largest dune complexes in North America.

One of the last surviving buildings of a once large and thriving Chinatown.

In 1998, Larry Page and Sergey Brin briefly ran their fledgling company from this Silicon Valley garage.

A charming easy-to-miss sculpture garden filled with whimsical and thought-provoking metal sculptures.

A collection of old shoes in the middle of nowhere.

Hidden in a Hollywood apartment, this restaurant takes diners on a gastronomic journey through West Africa.

The world's first disc golf course has the Jet Propulsion Laboratory as a neighbor.

Kayak out to a floating restroom.

A little-known, but surprisingly large waterfall on the Little Truckee River in the northern Sierra Nevada.

The road plays 30 seconds of the Marine’s Hymn when driving over the grooved pavement.

A wondrous place to watch a special flower bloom.

Meet 'Big Josh,' the 20-foot-tall muffler man.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

For decades, the largest tungsten producer in the U.S. was located in a spectacular setting in the high Sierra Nevada, with some of the workings over 11,000 feet.

A volcanic cone that formed over 600 years ago.

A Buddhist retreat built on more than 100 acres of California Redwood forest.

Unusual white sandstone formations in the Los Padres National Forest.

This world-class vineyard has a peculiar collection of contemporary sculptures scattered across the property.