An alley covered with 20 years of bubble gum.

A remote crossroads honoring a fallen talent.

The unbelievably opulent home built for an infamous newspaperman.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

Haunting and beautiful trees, doomed to die.

More than 700 species live within this murky marvel of a swamp on California's coast.

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

This massive redwood tree has a hole in the base big enough to drive through.

The ghostly remains of an accidental sea.

Thousands of turbines whir at at the origin of North American wind power.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Only known mainland rookery of the threatened Stellar sea lion.

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

Tiki luxury on Nob Hill.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

Fossils, railroads, and waterfalls!

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

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.