A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A massive volcanic plug is now a protected area that hosts a number of bird species.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

A living time capsule of the 1960s Richardson Bay water-front.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

A psychedelic labyrinth on the San Francisco bay.

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

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A man-made island in scenic San Francisco Bay.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A hidden subterranean installation offers a view of the sky.

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

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

Tiki luxury on Nob Hill.

San Francisco's newly reopened hands-on science museum.

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

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

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

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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