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

Once the site of speeding horses, now home to picnickers and public concerts.

Home to one of the world’s largest collections of model yachts.

The remains of a ruined mansion memorialize the 1906 earthquake.

Thirteen trees representing the original thirteen colonies were planted with soil from historic Revolutionary battlefields.

A monumental cross hides in the trees in Golden Gate Park.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

San Francisco's first World's Fair, dedicated to the wonders of California.

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

Golden Gate Park's historic collection of plants.

Olfactory delights in San Francisco's Botanical Gardens.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

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

The best place in the park to test out your throwing arm.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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

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

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

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

San Francisco’s century-old Christmas Tree.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.