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

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

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

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.

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

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

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

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

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.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

Golden Gate Park's historic collection of plants.

Olfactory delights in San Francisco's Botanical Gardens.

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

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

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

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

The unbelievably opulent home built for an infamous newspaperman.

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

America's most famous piece of self-built architecture.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

One of Hollywood’s favorite government buildings.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.