A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

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

An overlooked and unassuming engineering marvel.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Golden Gate Park's historic collection of plants.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

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

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

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

Hans Christian Andersen for the postmodern world.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

Eight whimsical acres of metal art.

The largest known open fault in the United States is basically a giant natural refrigerator.

Six peaceful acres in a residential neighborhood dedicated to art and peace.

This once-private estate is now a dreamy, meditative garden that's open to the public.

The great American road trip, but smaller.

This throwback amusement park is home to rides and unique storybook figures from the past.