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Southeastern Arizona Bird Observatory: River Walk

Casa de San Pedro Bed & Breakfast 8933 S. Yell Ln., Hereford

The San Pedro River, a narrow green oasis rippling through desert grassland, is one of the last wild rivers in the Southwest and one of the most endangered. These 3-hour guided walks through desert grassland and among towering cottonwood trees will introduce you to the birds and other wildlife that make their homes in the...

$15 – $20

Maricopa County Parks and Recreation: White Tank – Invasive Species Removal

White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell

Invasive species are among the biggest threats to our park’s ecosystem health. They outcompete native plants, decrease biodiversity, and increase wildfire occurrences and magnitude. Desert Defenders is a citizen science program focused on removing invasive species in parks. The Invasive plant species have severely impacted our park’s natural ecosystems and contributed to our most recent...

Free with Park Fee

Maricopa County Parks and Recreation: Maricopa County Parks and Recreation:

Spur Cross Ranch Conservation Area 44000 N. Spur Cross Rd., Cave Creek

Invasive species are among the biggest threats to our park’s ecosystem health. They outcompete native plants, decrease biodiversity, and increase wildfire occurrences and magnitude. Desert Defenders is a citizen science program focused on removing invasive species in parks. The Invasive plant species have severely impacted our park’s natural ecosystems and contributed to our most recent...

Chandler Public Library: Downtown Scavenger Hunt – Earth Day

Chandler Public Library - Downtown Campus 22 S. Delaware St., Chandler

Stop by all month long at the Downtown Branch and test your detective skills with our scavenger hunt for a chance to earn a prize! This month's Earth Day theme runs through April 30th. Explore every nook of your library to complete the hunt, and along the way, discover something new your library has to offer! The hidden...

Free

Maricopa County Parks and Recreation: Guided Bird Walk

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

Learn about the resident and migrant birds of desert riparian areas on this guided walk with Ranger Eric.   Join Ranger Eric for a guided bird walk to look and listen for resident and migrant species within the diverse desert riparian habitat of the Hassayampa River Preserve. Along the way we will discuss how to identify...

Free with Park Fee

Maricopa County Parks and Recreation: Blooms and Butterflies Hike

San Tan Mountain Regional Park 6533 W. Phillips Rd., Queen Creek

Join Ranger Nikki on a moderate hike to look for flowering plant life and a variety of pollinators, including butterflies.   Ranger Nikki will lead you on a hike to look for cactus blooms, wildflowers and pollinators visiting flowers. Learn how to document your findings on the citizen science app, iNaturalist*, and how to join app-based...

Free with Park Fee

Gila River Indian Community Earth Day 2024

Earth Day is Every Day in the Gila River Indian Community! Earth Day is an annual event, celebrated on April 22, on which events worldwide are held to demonstrate support...

Pima Air and Space Museum: Stratospheric Observatory for Infrared Astronomy (SOFIA) Tour

Pima Air & Space Museum 6000 E. Valencia Rd., Tucson

The Boeing 747SP will be open for tours on select days this spring from 10am-3pm. Access is included with admission on these days. Purchase upon arrival. Tours will run continuously, lasting about 10 mins. The tour takes you through the main cabin and does not include access to the flight deck. SOFIA is located behind (south) of...

Free with Admission

Maricopa County Parks and Recreation: Guided Lyke’s Lookout Hike

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

Come along with Ranger Jacque as she explores the beautiful Lyke’s Lookout Trail!   Hike the scenic riparian forest of the Hassayampa River Preserve before scaling Lyke’s Lookout for a stunning...

Free with Park Fee

National Park Service: Ranger Patio Talk

Coronado National Memorial 4101 W Montezuma Canyon Rd, Hereford

Join a ranger for a 15 minute talk at the Coronado National Memorial Visitor Center and learn about a variety of park topics including the Coronado Expedition, wildlife, and more!...

Free with Park Fee

Maricopa County Parks and Recreation: Discovery Station – Desert Palms

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

Have you ever wondered about the Preserve's historic stand of palm trees? Then join Ranger Jacque to learn about them inside the Visitor Center!   Learn about the Preserve’s historic stand...

Free with Park Fee

Pinal County Library District: AZCL Hydroponics & Meditation

Pinal County Library District - Arizona City Community Library 13254 Sunland Gin Rd., Arizona City

Join Ms. Jasmine every 3rd Friday of the month at 02:00pm. Learn through Hydroponic activities and explore art of mindfulness with meditation. LIMITED AVAILABILITY REGISTRATION REQUIRED To promote Health &...

Free

Flandrau Science Center & Planetarium: Expedition Reef

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

Expedition Reef show reveals in exquisite detail the breathtaking beauty and biodiversity of coral reefs—and the scientists taking action to restore them. Recommended for general audiences. Themes: Sea, Climate, Biology...

Free – $12

Flandrau Science Center & Planetarium: INCOMING!

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

Narrated by George Takei, Incoming! explores asteroids, comets, and meteors. Viewers will embark on a dynamic journey and get an up close look at the advanced technologies that allow scientists to detect asteroids. Audience: General, all ages Style: Fulldome show followed by an OSIRIS-REx talk Planetarium Tickets Adults: $12 Children (ages 3-15): $8 Children ages 2 and under: Free...

Free – $12

Mission Garden: Mescal Agave Use in Arizona – Food, Fiber, and Vessel

Please note: this free event is hosted at Maynards Kitchen located at 400 N. Toole Avenue There are nearly 300 mescal agave species in the world, native to the Southwest United States and Mexico. The agave plant has been used by Native peoples for numerous utilitarian items. Mescal is served as a valuable food source...

Free

Southeastern Arizona Bird Observatory: Hummingbird Banding at Casa de San Pedro B&B

Casa de San Pedro Bed & Breakfast 8933 S. Yell Ln., Hereford

Hummingbird banding sessions at Casa de San Pedro Bed & Breakfast are open to members of SABO and guests of the B&B at no charge, though donations are appreciated.  Only two (2) parking spaces are available for visitors who are not guests of Casa de San Pedro B&B, and registration is required. Casa de San...

Free

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 light dinner, and an exclusive opportunity to observe astronomical objects and phenomena.  This five-hour program starts 2 hours prior to sunset and accommodates up to...

$60 – $85

Embry – Riddle Aeronautical University: The Cosmic Webb

Embry - Riddle Aeronautical University Jim and Linda Lee Planetarium 3700 Willow Creek Rd., Prescott

We are excited to be able to provide a special reshowing of our live planetarium show "The Cosmic Webb" for this weekend only! In a planetarium show uniquely created for our inaugural Celestial Spring Gala, we use the three movements of a London Symphony Orchestra recording of Rachmaninoff’s 2nd Piano Concerto to delve into three...

$15