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

An unexpected and peaceful oasis on a hillside.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

The only theatre in the world constructed specifically for sound movement.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

A hidden subterranean installation offers a view of the sky.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

Olfactory delights in San Francisco's Botanical Gardens.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

San Francisco’s century-old Christmas Tree.

This turn of the century masterpiece has a mysterious goaty interloper.

A museum befitting the city responsible for supplying the majority of the world's LSD.

An overlooked and unassuming engineering marvel.

This print shop boasts one of the largest pinball arcades in San Francisco.

This 19th-century church is now a popular roller rink.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.