The Arizona-Sonora Desert Museum is a 98-acre zoo, aquarium, botanical garden, natural history museum, publisher, and art gallery founded in 1952. Located just west of Tucson, Arizona, it features two miles of walking paths traversing 21 a... Read more >

Desert Botanical Garden is a 140-acre botanical garden in Papago Park, in Phoenix, Arizona. Founded by the Arizona Cactus and Native Flora Society in 1937, the garden now has more than 50,000 plants in more than 4,000 taxa, one-third of wh... Read more >

The Grand Canyon, carved by the mighty Colorado River, is 277 miles (446 km) long, up to 1 mile (1.6 km) deep, and up to 15 miles (24 km) wide. Millions of years of erosion have exposed the multicolored layers of the Colorado Plateau in me... Read more >

Mesa Community College Arboretum is located in Mesa, AZ.

ArbNet Accredited Arboretum – Level II... Read more >

This portion of the Chinle Formation has a large concentration of 225-million-year-old petrified wood. The surrounding Painted Desert features eroded cliffs of red-hued volcanic rock called bentonite. Dinosaur fossils and over 350 Native A... Read more >

The Phoenix Zoo opened in 1962 and is the largest privately owned, non-profit zoo in the United States. Located in Phoenix, Arizona, the zoo was founded by Robert Maytag, a member of the Maytag family, and operates on 125 acres of land in ... Read more >

The Reid Park Zoo, founded in 1967, is a 24-acre city-owned and -operated nonprofit zoo located within Reid Park in Tucson, Arizona. The zoo features more than 500 animals. The zoo boasts approximately 500,00 visitors each year. Read more >

Split into the separate Rincon Mountain and Tucson Mountaindistricts, this park is evidence that the dry Sonoran Desert is still home to a great variety of life spanning six biotic communities. Beyond the namesake giant saguaro cacti, ther... Read more >

The Arboretum At Flagstaff is located in Flagstaff, AZ.

The Arboretum at Flagstaff is a non-profit demonstration garden in Flagstaff Arizona.

ArbNet Accredited Arboretum – Level I... Read more >

The Tucson Botanical Gardens (TBG) is a 5.5 acre collection of 20 gardens in the heart of Tucson, Arizona. TBG was selected as #4 in USA Today's Readers' Choice awards for Best Botanical Garden in 2023. The gardens include the Cactus and S... Read more >