A huge musical instrument played by the ocean.

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

This shop specializes in oddities and Victorian-inspired wonders.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A psychedelic labyrinth on the San Francisco bay.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

A trash dump made beautiful by nature's power.

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

An optical illusion found amid a logged redwood forest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A Tibetan Temple and Buddhist organization just off the beaten path in Northern California.

California's own majestic geyser is powered by a subterranean volcano.