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

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

This California tree is the single source of the state's entire orange industry.

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

The largest collection of two headed animals in the world.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

The last orange grove of the San Fernando Valley is owned and protected by CSU Northridge.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

A fashion designer's dazzling world of Japanese collectibles is hidden in a warehouse downtown.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

A quirky collection of figurines backdropped by city views is hidden next to a popular restaurant in the Hollywood hills.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

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

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

A common entry point to the Griffith Observatory trail holds its own wonders.

Magical-looking cottages that inspired one of the most famous animated films ever.

A ghost town at the airport is now a refuge for blue butterflies.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.