Elvis's own personal tropical hideaway.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Concrete strongholds stand guard over the Golden Gate.

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

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

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

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

A modest reminder of treacherous waters at the Golden Gate.

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

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

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

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

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

Olfactory delights in San Francisco's Botanical Gardens.

A hidden subterranean installation offers a view of the sky.

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

Golden Gate Park's historic collection of plants.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

The oldest lawn bowling club in the United States.

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

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

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