This collector's home is a constant work in progress.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

A private home built to resemble the shape of a microscopic creature.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

First LEED-certified gas station in the United States.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

360-degree virtual reality chamber physically immerses scientists into their data.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

Nuclear waste dump site now an environmental sanctuary.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

An abandoned, unfinished mansion on grounds strewn with lava rocks.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

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

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Legendary prop shop filled with one man's collection of scientific curiosities.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

This 19th-century church is now a popular roller rink.