Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A Wild West jailhouse that slid down the mountainside.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

An artificial crater field that trained astronauts for lunar exploration.

Ancient pueblos built into the base of a natural canyon wall.

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

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

A mysterious spirit totem at the edge of Navajo lands.

A spiritual vortex among the red rocks in Sedona.

This comprehensive collection features Native American artifacts dating back centuries.

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

The largest and most well-preserved petroglyph site in the Verde Valley.