Home to the "Circus" trees created by Axel Erlandson.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A strange house built only at night, with rumored mystic inspiration.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

The rest of him lived another 61 years and was buried elsewhere.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

Successful artist residence program has filled this ranch with dozens of sculptures over the years.

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

One man's love of natural beauty led to the creation of this hidden granite monument.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

This odd California folly seems like it was almost designed to accumulate urban legends.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

A classically inspired temple in Redwood City.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

A vast city of the dead, where the deceased outnumber the living by more than a million.

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

Two pillars set 10 paces apart commemorate the "last notable American duel."

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A winding path built in secret on the edge of the continent.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.