Decommissioned experimental solar facilities that pioneered solar energy technology.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.

Built as a schoolhouse in 1914, this Mission-style building has also served as a dancehall, a library, an Army canteen, and now a cultural museum.

This Stonehenge-inspired solar calendar stands alongside a landfill, in the middle of the Nevada desert.

Mysterious meeting place for UFO hunters near Area 51.

The famous animator's private station house and man-cave was the birthplace of imagineering.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A dazzling display of red rocks weathered into spires and hoodoos.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

Although he donated over 3,000 acres to Los Angles, Griffith's life was marred by controversy.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

A cake-themed art installation tucked away in historic Chinatown.

The beautiful behemoth is one of the largest trees of its kind in the United States.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

Abandoned hotel with adjacent lake and golf course.

The restored and active Victorian-era final resting place of San Francisco.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

The remains of a boarding school designed to forcibly assimilate Native American children.

A tribute to the statues of Easter Island along Route 66.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

A replica of the flagpole that gave a frontier town its name.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.