A rare wayfinding portmanteau of “Street” and “Avenue.”

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

The first permanent memorial to a unique secret weapon of World War II.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An artificial crater field that trained astronauts for lunar exploration.

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

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

America's only nuclear missile silo open to the public.

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

See massive fossils that are over 200 million years old in northeastern Arizona.