 | | Tucson, Arizona | | Includes Marana, Oro Valley, and Green Valley | |
| | National Monuments | | |
| | Chiricahua National Monument | | Twenty seven million years ago a volcanic eruption of immense proportions shook the land around Chiricahua National Monument and eventually eroded into the spires and unusual rock formations that can be seen at there today. |
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| | Coronado National Memorial | | The Coronado National Memorial lies on the United States-Mexico border within sight of the San Pedro River Valley, through which the Coronado Expedition first entered the present U.S. in search of the fabled Seven Cities of Cibola. . |
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| | Ironwood Forest National Monument | | This large open area is popular for hiking, biking, and four-wheel riding. Backcountry camping is permitted. Possessing one of the richest stands of Ironwood trees in the Sonoran Desert, the monument also encompasses several desert mountain ranges including the Silver Bell, Waterman and Sawtooth, with desert valleys in between. |
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| | Organ Pipe Cactus National Monument | | This monument exhibits an extraordinary collection of plants of the Sonoran Desert, including the organ pipe cactus, a large cactus rarely found in the United States. |
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| | Sonoran Desert National Monument | | This monument contains magnificent examples of untrammeled Sonoran Desert landscape. This National Monument is the most biologically diverse of the North American deserts, and the monument captures a significant portion of that diversity. |
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