About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

A "haunted" landmark on the coast of Southern California.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

A nursery specializing in strange and beautiful succulents and cacti.

One of the best collections of antique printing machinery in the world.

This museum honors the first Spanish land grant in California which is still in the hands of the original owner's family.

The American Home, Re-imagined.

This 1920s masterpiece of French Quarter architecture hides a secret tunnel used by Albert Einstein.

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

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

Delve into a wealth of oddities, antiques, and taxidermy treasures.

A rare surviving example of a pre-WWII Japanese garden, restored after years of neglect.

Victoriana on Orange Grove Avenue.

The sun acts as a key that only fits this giant keyhole twice a year.

The site of the house Jack Parsons made famous both in life and death.

A Bicycle Path in the Sky.

America's most famous piece of self-built architecture.

A castle that was built stone by stone by an eccentric journalist.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Where religious effigies, magic soaps, and occult candles are brought to customers at wholesale prices.

This hands-on math museum believes in turning concepts into constructs.