A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

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

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

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

Lemon Grove, California is known for its giant lemon...and mummified bodies.

A world-class observatory in the California desert.

The haunting ruins of Jack London's dream house.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

World's largest collection devoted to one fruit.

A large instrument played by the wind.

Megachurch turned Catholic church comprised of 10,000 glass panes.

An optical illusion found amid a logged redwood forest.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

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

A former utopian healing center created by a huckster and built by derelicts.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

An unreal vintage shop that wears its dadaist influence on its zombie fish.

Hundreds of trees made from glass bottles make up this forest on Route 66.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

One of the last free public hot springs is decorated with hippie art.

Lucha Libre (Mexican Wrestling) themed taco shop.

The unbelievably opulent home built for an infamous newspaperman.