The unedited photograph called "Bliss" has graced the screens of over a billion computers.

A tribute to one man's legacy of improving the accordion's reputation.

340 bicycles, 65 feet high.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

Hand-powered race of alternative forms of transportation.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

An optical illusion found amid a logged redwood forest.

This massive redwood tree has a hole in the base big enough to drive through.

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

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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

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

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

These subterranean storage areas hold emergency water reserves.

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

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A psychedelic labyrinth on the San Francisco bay.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Concrete strongholds stand guard over the Golden Gate.