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

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

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

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

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

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A motel dedicated to Southwestern nostalgia.

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

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

A Saint Nicholas-themed ghost town in the Mojave desert.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

New fungal and bacterial species call this deadly lake home.

This amazingly preserved Gold Rush town is a historian's dream.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

The only road through the heart of Glacier National Park.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

"Polynesia on the Plains."