The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

Art in the form of a winding, man made crack in stone.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

A hidden subterranean installation offers a view of the sky.

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

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

The huge granite obelisk that towers over a small California town.

The longest burning light bulb in the world.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

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

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

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

An exotic wildlife habitat right off The Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

A giant open-air sculpture made of over 200 full-sized boats.

This giant temperature attraction created some giant electric bills.

The world’s largest concentrated solar plant generates as many problems as megawatts.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

An homage to everyone's favorite prehistoric cartoon family.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Decommissioned experimental solar facilities that pioneered solar energy technology.

One of the ghostly stops along Route 66.