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

Historical trolley restoration and operation at History San Jose, Kelly Park.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

The only standing town in the United States that early Chinese Americans built for themselves.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

An alley covered with 20 years of bubble gum.

A deserted hodgepodge of experimental structures designed by nearby university students.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

An invitation-only museum of items natural and bizarre, arcane and exotic.

Perfect your fly fishing technique on their practice ponds.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A 300-ship graveyard, with a few still visible at low tide.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

Once the largest windmill outside of Holland, with enormous 114 foot sails.

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

Outside San Francisco lies a small clown cemetery and memorial.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

The most beautiful Taco Bell in the world even has surfboard parking.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

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

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.