An Old West film set seen in countless TV shows and movies is open for the public to explore.

The show's fictional Korean medical camp was created in the Santa Monica hills.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

The site of murders and Satanic cult gatherings.

Oldest building in California still in use.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

Lucha Libre (Mexican Wrestling) themed taco shop.

An inconspicuous footbridge beloved by San Diego locals.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

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

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

A tree grown from astronaut seeds which were exposed to cosmic rays.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

A fake town founded by Western movie stars is now becoming a hip desert community.

Along a California highway is a kind of Jurassic Park made of metal.

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

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

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