The first all glass and steel residence in the United States.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

A repository of Pasadena history.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

This monster board rode a monster wave to break two world records.

Founded by a high school teacher, this poetry magazine became a center for all things literary.

Educational foundation that teaches the powers of fourth dimensional physical properties.

Thousands of Matchbox cars spanning generations call this New Jersey barn home.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

A plaque and memorabilia collection mark where A&W got its start.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

The silent film master's legacy commemorated in all the right and wrong places.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

An abandoned 1930s gas station turned bustling neighborhood park.

A 50-foot tile mural mosaic for the 100-year anniversary of the Statue of Liberty.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

Inspiring Earthlings to Boldly Go.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

An unexpected and peaceful oasis on a hillside.

The most popular attraction in Southern California was once a flock of ornery bipedal birds that pulled carts.

This California estate was either haunted by ghosts or the Marx brothers.

Where NASA's satellites and rovers phone home.