California's longest-running tourist attraction is a stump.

California's first suspension bridge.

A fire lookout atop a glacial pinnacle is reached by climbing three vertiginous flights of stairs.

The oldest structure in a beachside California city was built to serve eight students.

Two pillars set 10 paces apart commemorate the "last notable American duel."

At night, this glittering musical tunnel draws skaters and photographers.

While you're unlikely to find riches here these days, this remote mine is a time capsule of the Gold Rush era.

Pasadena’s Stonehenge.

Gouged in the mountain to make stage coach access easier through the Fremont Pass.

A quiet marker in memory of local men and women lost in WWI.

One of the last remaining Carpenter Gothic churches is situated on a wildflower conservatory overlooking the bay.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

A California city claims to be the home of a fast-food classic.

A 250 million-year-old rock formation has earned a rather unique nickname.

A bronze tribute to a legendary Californian, the self-proclaimed "Emperor of the United States."

A dry lake is what remains of a community founded on a real estate scam.

One of the richest places in the United States has a cursed street.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

A mysterious monument covered in a binary code marks the heart of tech.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.