More than a century old, this trading post resides in the Navajo Nation.

This historic national park is covered in the stunning ruins of red rock pueblos.

An artificial crater field that trained astronauts for lunar exploration.

A Wild West jailhouse that slid down the mountainside.

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

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

A spiritual vortex among the red rocks in Sedona.

A geological mystery on Camelback Mountain.

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

A 26-foot-tall jackrabbit celebrates the past and future of the Southwest.

The site of the deadly Triangle Shirtwaist Factory Fire.

An artist's cute bronze subway sculptures belie his violent artistic past.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Jimi Hendrix's legendary recording studio in Greenwich Village.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The remains of this hell for leather wild west town can still be found in the Arizona desert.

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

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

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

The eroded core of an ancient volcano is now accessible by a short hike.

The cinder cone volcano with a less than complimentary name.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.