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Arizona State Parks & Trails: Buffel Slayers

Catalina State Park 11570 N. Oracle Rd., Tucson

Help eradicate buffelgrass from the park and Save Our Saguaros! Be prepared to work hard! Bring at least 2 bottles of water, snacks, sunscreen, sturdy footwear, hat, long pants, and a long-sleeved shirt. Provided: gloves, tools, and instruction. Volunteers get in the park for free! Check in at the Ranger Station for the meeting location....

Free

City of Surprise: Xeriscape Garden Tour

City of Surprise Water Education Center 16126 N. Civic Center Plaza, Surprise

See the Surprise Xeriscape Garden in a new light by joining a guided tour with our Master Gardeners or Water Conservation staff. The tours are a great way to learn...

Free

Arizona State Parks & Trails: Cactus Walk at Oracle

Oracle State Park 3820 E. Wildlife Dr., Oracle

Step into the desert’s hidden story on our guided interpretive cactus walk along the 1.2-mile Nature Trail. This immersive experience brings the landscape to life as you learn how cacti...

Free with Park Fee

Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Maricopa County Library District: Ask A Master Gardener

MCLDAZ - Georgia T. Lord Library 1900 N. Civic Square, Goodyear

Enjoy gardening? Do you have garden challenges you’d like to overcome? Need help with your landscape plants? Don't know what to plant or when? Want to start a vegetable garden,...

Free

The University of Arizona: Museum Day – Biosphere 2

The University of Arizona Biosphere 2 32540 S. Biosphere Rd., Oracle

Explore one of the world's most unique research centers. Biosphere 2 is dedicated to understanding Earth’s ecosystems and how we can create a more resilient future for our planet. Our...

$15

The University of Arizona: Museum Day – Tree Ring Lab

Bryant Bannister Tree-Ring Building 1215 E. Lowell St., Tucson

Step into the exciting world of dendrochronology at the Laboratory of Tree-Ring Research! Discover some of the oldest trees on Earth and uncover the science stories they hold in our dynamic Exhibit Hall. Take a guided peek into our cutting-edge laboratories, meet the researchers pushing tree-ring science forward, and be among the first to experience...

Free