A second generation sun-powered marvel lights up the night.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This abandoned boat was left in place thanks to its rotting beauty.

I Street Bridge is the heaviest swinging center bridge in the United States.

Its dark depths conceal millions of rare, delicate crystal formations.

A popular tourist cave with a dark past.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Quite simply the largest tree in the world (by volume).

A 19th-century cabin built into a hollowed-out Sequoia tree.

Four hundred granite steps were built into this massive rock by the National Park Service.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

It is locally loved and ridiculed for literally looking like poop.

The largest permanent Monopoly board makes one of the longest games even bigger.

The headquarters of a secretive order is also a beautifully-designed park.