ShotHotspot has mapped 23 abandoned places in Gila, Arizona, ranked by how often they're photographed, viewed and voted for. The most popular are Goldfield Ghost Town, Buckhorn Hot Mineral Baths Motel and Queen Creek Olive Mill. Some are private property or unsafe, so get permission before you visit.
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.