The blinking light atop the iconic landmark has been sending secret messages for decades.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Sports history, made in the Arroyo Seco.

A one-of-a-kind collection of a unique medium.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

The world's first disc golf course has the Jet Propulsion Laboratory as a neighbor.

This former stomping grounds of the most eminent astronomers of the early 20th century.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A massive volcanic plug is now a protected area that hosts a number of bird species.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The unbelievably opulent home built for an infamous newspaperman.

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

One woman's Viking Castle on Lake Tahoe.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

California's own majestic geyser is powered by a subterranean volcano.

For almost 100 years, this site of peace and spirituality has existed on the California coast.

The first safe in this California town had to hold all the gold.