Experience the lush beauty of the Arizona Upland Sonoran Desert at the state's oldest and largest botanical garden. On the National Register of Historic Places, spend the day strolling through winding trails with hidden gardens and historic buildings. Featuring 343-acres of beautiful landscapes with over 3,900 different plant species with spectacular views of Picket Post Mountain. A haven for wildlife, the Arboretum has been called "the most enchanting" Important Birding Area in Arizona. Just an hour from Sky Harbor Airport, located in Superior, Arizona.