A self-built castle made by a mysterious man.

A museum and tribute to a brave profession.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

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

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

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

Outsider Art Community.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A Wild West jailhouse that slid down the mountainside.

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

Don't blink or you'll miss it.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

The first steel dam in the world and the only one still functional in the United States.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A historic hotel in an old California railroad town with a rowdy reputation.

This arts and culture cultural center explores the diverse cultural heritage of the American West.