A lonely monument to the original Silicon Valley tech campus.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

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

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

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A second generation sun-powered marvel lights up the night.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

California's oldest wind harp represents a historic piece of America's Danish history.

The headquarters of a secretive order is also a beautifully-designed park.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

This municipal playground was co-created by the father of one of the most playful characters ever.

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

A tiny survivor of the Donner Party disaster.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Guns that have been defending San Francisco since 1904.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A century and a half of research in the sciences and natural history, still going strong.

Over 315,000 preserved amphibians and reptiles in jars.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.