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Maricopa County Parks and Recreation: City Nature Challenge Hike

Usery Mountain Regional Park 3939 N. Usery Pass Rd., Mesa

Join Ranger Jacque on a brief hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition. Citizen Science Month 2026...

Free with Park Fee

Arizona State Parks & Trails: Geology Tour at Oracle State Park

Oracle State Park 3820 E. Wildlife Dr., Oracle

Limited space, by reservation only! Did you know that Oracle State Park was once covered by warm, shallow seas? Are you familiar with the numerous faults that uncovered rocks once...

Free with Park Fee

Phoenix Zoo: Earth Day

Phoenix Zoo 455 N. Galvin Pkwy., Phoenix

We have the power to save our planet! Join us for games and activities and learn about conservation and renewable energy!

Free with Admission

Reid Park Zoo: Sean Kenney’s Nature Pop!

Reid Park Zoo 3400 Zoo Court, Tucson

Part art. Part engineering. Totally amazing! Add a pop of wonder and a pinch of nostalgia to your spring with Sean Kenney’s Nature Pop! Marvel at over 40 wildly creative...

Free with Admission

Rio Salado Audubon Center: Nature Explorers

Nina Mason Pulliam Rio Salado Audubon Center 3131 S. Central Ave., Phoenix

Join us for a fun, family-friendly nature adventure at the Rio Salado Audubon Center! Families are invited to get outside, explore the trails and gardens, and discover wildlife that calls...

Free

Maricopa County Library District: Mini-Rockets Using CO2

MCLDAZ - Fountain Hills Branch 12901 N. La Montana Dr., Fountain Hills

4 Peaks Kids is calling all chemists ages 6-11! Get ready to experiment with Newton’s big idea that every action has an equal and opposite reaction. We’ll mix sodium bicarbonate,...

Free

Cave Creek Museum: The Arizona Gold Mining Experience™

Cave Creek Museum 6140 E . Skyline Dr., Cave Creek

The Cave Creek Museum’s AZ GOLD MINING EXPERIENCE™ is unique with its display of the complete hard rock ore extraction process, with the mine shaft, tramway, ore carts, crushing and extraction,...

Free – $20

Arizona State Parks & Trails: Apple Packing Shed Open House

Slide Rock State Park 6871 AZ-89A, Sedona

Experience a piece of Arizona history. Get an opportunity to explore the Pendley Homestead Apple Packing Shed. A ranger will be available to answer any questions about the homestead's history....

Free with Park Fee

Boyce Thompson Arboretum: Arbor Day

Boyce Thompson Arboretum 37615 E. Arboretum Way, Superior

Join us at Boyce Thompson Arboretum for our third annual Arbor Day Celebration as we honor and celebrate the amazing world of trees! Families can enjoy a variety of tree-themed...

Free with Admission

Arizona State Parks & Trails: Saturday Nature Program

Catalina State Park 11570 N. Oracle Rd., Tucson

The Nature Program is a live reptile exhibit and the perfect opportunity for people of all ages to learn all about Arizona’s wildlife! Our team of passionate, experienced volunteers are...

Free with Park Fee

Arizona State Parks & Trails: Picnic with the Pendleys

Slide Rock State Park 6871 AZ-89A, Sedona

Join us for a fun spring event to learn more about the Friends of Slide Rock State Park and see the beautiful apple tree blossoms! Hear from a ranger about...

Free with Park Fee

Phoenix Public Library: Let’s Build a City for Earth Month!

Phoenix Public Library - Saguaro Library 2808 N. 46th St., Phoenix

Using upcycled items like cardboard, bubble wrap, wrapping paper and more, we will create a colorful, unique cityscape. Working individually and together we will craft buildings and bridges using just...

Free

Maricopa County Parks and Recreation: City Nature Challenge Hike

Hassayampa River Preserve 49614 U.S. Hwy. 60 89, Wickenburg

Join Ranger Kevin to learn about and document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 24-27th .   The City Nature Challenge...

Free with Park Fee

Greater Phoenix City Nature Challenge 2026: Sustainability Fest

Arizona Science Center 600 E. Washington St., Phoenix

Discover how to live life more sustainably at Arizona Science Center’s Sustainability Fest Explore topics like rising seas, how to reduce your carbon footprint, composting and recycling, seed germination, and...

Free with Admission

Flandrau Science Center & Planetarium: Extreme Weather

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Extreme Weather takes you to the front lines of our planet’s most intense natural forces—from melting glaciers and massive tornadoes to raging wildfires. Stunning visuals and expert insight reveal how...

Free – $27

Phoenix Public Library: STEAM Time!

Phoenix Public Library - South Mountain Community Library 7050 S. 24th St., Phoenix

STEAM Time is a pop-up makerspace for kids and teens that provides hands-on opportunities to design, experiment, and invent as they engage in STEAM (Science, Technology, Engineering, Art and Math) through...

Free

Flandrau Science Center & Planetarium: We Are Stars

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

A fun, beautifully animated fulldome show about cosmic chemistry and our explosive origins—revealing how hydrogen and carbon formed in the universe and how we are, quite literally, made of stars!...

Free – $27

Mesa Public Library: Saturday at the Ranch – Recycled Creations

Mesa Public Library - Dobson Ranch Branch 2425 S. Dobson Rd., Mesa

Families who craft together stay together. We’ll provide supplies, tools, and ideas to get you started, but the final creation is up to you. Engaging in creative activities like crafting...

Free

Phoenix Public Library: Family Fun

Phoenix Public Library - Desert Sage Library 7602 W. Encanto Blvd., Phoenix

Ready for fun?  Join us every week for a different family activity, such as STEM, art, games, or brick-building. ¿Listo para la diversión? Familias, únanse a nosotros cada semana para...

Free

Flandrau Science Center & Planetarium: Black Holes

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Journey into the mysterious world of black holes in this visually stunning, immersive show. Featuring cosmic simulations and narrated by Liam Neeson, explore star birth and death, colliding galaxies, and...

Free – $27

Mesa Public Library: Building Blocks Club

Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa

Come explore your creative side at the library with LEGO®. Children can either follow a monthly theme or build from their imaginations. LEGO® and jumbo blocks will be provided. Ages 5-9.

Free

Phoenix Public Library: MakersBase

Phoenix Public Library - Ironwood Library 4333 E. Chandler Blvd., Phoenix

Kids ages 6-11 are welcome to drop in to our self-guided makerspace where we learn by doing. Explore creative hands-on ways to design, experiment, and make. All materials provided, just...

Free

Phoenix Public Library: MACH2 – 3D Printing

Phoenix Public Library - Cholla Library 10050 Metro Parkway E., Phoenix

A perfect program for techy kids and teens! Create your own design in the powerful 3D art program, TinkerCAD. Watch as your design comes to life right before your eyes...

Free

Flandrau Science Center & Planetarium: Tucson Sky & Beyond

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Sit back and relax for this popular live show as one of our Console Captains guides you through the night sky from a Tucson perspective, pointing out stars, planets, constellations,...

Free – $27

Mt. Lemmon SkyCenter: SkyNights StarGazing Program

Mt. Lemmon SkyCenter 9800 Ski Run Rd. Mt., Lemmon

Explore the night skies from the summit of Mt. Lemmon using Arizona's LARGEST publicly available telescopes!  Under the guidance of a professional, visitors will enjoy a brief astronomy lecture, a...

$62.50 – $88.50

Arizona State Parks & Trails: Bat Walk

Kartchner Caverns State Park 2980 AZ-90, Benson

Kartchner Caverns invites you to join us for a walk in the park as we uncover and learn about some of the 13 different neighboring bat species in the park. We will use bat detectors while on...

$15

⭐Gilbert Rotary Centennial Observatory: Astronomy Observation

Riparian Preserve at Gilbert Water Ranch 2757 E. Guadalupe Rd., Gilbert

Come view the stars during the Arizona SciTech Festival! Fun for the whole family, located at the Gilbert Riparian Preserve. East Valley Astronomy Club members staff operations and programming for...

Free