Naturally carbonated water fills the mineral baths at this 19th-century California resort.

A scenic hike in the High Sierra that ends at an old gold mine.

A well-preserved sheepherding camp now lies in the heart of the Granite Chief Wilderness, in the high Sierra Nevada.

The design of this ornately decorated place of worship closely mirrors a church in Vietnam.

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.

California's largest steel arch bridge.

The longest covered bridge west of the Mississippi River.

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

A showcase of engineering might that was also symbolic of westward expansion.

At the western edge of Palm Springs, a rugged desert canyon trail leads to a waterfall at the base of the San Jacinto Mountains.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

Home to a forest of whimsical pygmy Coast live oak.

After the nearby mercury mine shut down, this town was abandoned and declared a Superfund site.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

A train tunnel that was made obsolete by the dam it helped create.

A Community Cornerstone.

The disdain for this dysfunctional dam is reflected in a giant pair of scissors painted on the concrete face.

Thousands of turbines whir at at the origin of North American wind power.

Art Deco stylings conceal the true nature of this bridge.

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.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

A picturesque example of brute-force engineering conquering nature.

The oldest pictographs on this decorated rock formation in California's Carrizo Plain date back as many as 4,000 years.

Sports history, made in the Arroyo Seco.