A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

These subterranean storage areas hold emergency water reserves.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

California's oldest wind harp represents a historic piece of America's Danish history.

America's oldest Italian restaurant is a San Francisco institution.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A modern mechanical planetary system, part of a 10,000 year clock.

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

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.

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.

This old mining town, deep in the California desert, has a year-round population of one.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

The oldest orange tree in California spawned a generation of citrus farmers.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

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

The flow from this waterfall sometimes comes out of springs below its rim.

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

Golden Gate Park's historic collection of plants.

The remains of a 12th-century chapter house in Golden Gate Park.