The longest covered bridge west of the Mississippi River.

The oldest Naval chapel in the United States is home to an incredible collection of Tiffany stained-glass windows.

California's largest steel arch bridge.

A vaudeville performer mounted this hollowed-out redwood log onto the chassis of a truck, and toured the country spreading a message of conservation.

Will Geer's outdoor theater started as a mountain retreat for actors, musicians, and other artists who were blacklisted during the Red Scare.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

On the summer solstice each year, shadows align with a 14,000 square foot painting to reveal a secret message.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

A carnivorous plant paradise in a serpentine bog.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

The three biggest silent film stars once shot iconic scenes here.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

Mid-Century Modern Meets Millionaire’s Row.

The world's first motel is now an administrative building for an apple farm.

Colorful sedimentary rock layers provide opportunities both for hiking and photography.

This small shack near the entrance to Sequoia National Park has been in almost continuous operation for the last century.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

A replica of the first public theater built in California.

The restored estate of a wealthy rancher was once at the heart of an unprecedented legal victory.

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

Take a leisurely ride on a 1906 cable car or a 1907 steam locomotive.

The first lookout in Yosemite.

The stately birthplace of California's statehood.