A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

A man-made island in scenic San Francisco Bay.

America's oldest Italian restaurant is a San Francisco institution.

Only hotel where you can legally launder money.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Its buzzing collection honors vibrator history.

Visible below the waves are memorials to the city's Gold Rush dead.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

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

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

This turn of the century masterpiece has a mysterious goaty interloper.

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

Golden Gate Park's historic collection of plants.

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

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

A modest reminder of treacherous waters at the Golden Gate.

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

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.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A fitting attraction for the corn capital of the world.

This 12-inch-tall wooden sculpture of a winged Virgin Mary has inspired much devotion and countless replicas.