Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A geological mystery on Camelback Mountain.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

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

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A sculpture of a flying hawk made from colorful car doors.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Apparently, the whole cosmos emanates from this plain concrete tower.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

A reproduction of earth's many biomes.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

The fading, forgotten remains of a once bright and booming factory.

This church on a Tohono O'Odham reservation has stood since 1797.

America's only nuclear missile silo open to the public.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

Inspiration struck on this seat outside the Griffith Park merry-go-round.