A trading post in the North Pole where children send letters.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Don't blink or you'll miss it.

When ecosystems collide in the arid Southwest.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The final resting place of the living embodiment of the famous Forest Service symbol.

Home of the International Space Hall of Fame.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

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

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

A Wild West jailhouse that slid down the mountainside.

A spiritual vortex among the red rocks in Sedona.

Outsider Art Community.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Stairs often replace streets on the steep slopes of this old mining town.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.