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

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

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

The world’s largest concentrated solar plant generates as many problems as megawatts.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Colorful Native American paintings are hidden within this small cavern.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

California's largest steel arch bridge.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

Abandoned anti-ballistic missile base.

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

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

Sports history, made in the Arroyo Seco.

This magnificent mausoleum is as much a work of art as it is a historic resting place.

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

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A cult following celebrates the legend that belies this curious podiatrists' office sign which has worked its way into song, literature, animation, and the visual arts.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

The last of its kind in the country.

Medical and zoological curiosities for sale.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.