Empire Ranch - Credit: Wikimedia Commons
Empire Ranch is a working cattle ranch in southeastern Pima County, Arizona, that was placed on the National Register of Historic Places in 1976. In its heyday, Empire Ranch was one of the largest in Arizona, with a range spanning over , and its owner, Walter L. Vail, was an important figure in the establishment of southern Arizona's cattle industry. It is currently owned by the Bureau of Land Management with a grazing lease to a private operator. Read more on Wikipedia
Source: en.wikipedia.org