One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

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

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

"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.

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

A modern day curiosity cabinet.

A regular looking rock with an unbelievable history.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

A little barn in the middle of the city preserving Hollywood treasures since 1985.

A library and museum dedicated to typography.

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

Gold Rush-era tombstones line the park's paths.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

The famous animator's private station house and man-cave was the birthplace of imagineering.

An overlooked and unassuming engineering marvel.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

An extensive collection of ancient Egyptian artifacts and mummies.

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