The southeastern corner of Arizona contains many small communities with historical associations with mining and ranching in Arizona history. Paradise Arizona was also a mining town founded just after the turn of the century and at one point had a population of over a thousand individuals. Mining and cattle ranching made the area attractive during the late 19th and early 20th centuries.
Portal is an unincorporated community in Cochise County, Arizona, United States. It lies 25 miles (40 km) south-southeast of San Simon and at the mouth of Cave Creek Canyon on the east side of the Chiricahua Mountains. It is also home to the American Museum of Natural History Southwest Research Station. The community is a popular location for birding in Southeastern Arizona. It is also home to the American Museum of Natural History Southwest Research Station. The Arizona Sky Village astronomy community is in Portal, because the skies in the area are free of light pollution and are extremely dark.