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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...

$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...

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...

Free with Park Fee

Pima County Natural Resources Parks and Recreation: Anza Trail Hike at Historic Canoa Ranch [#13325]

The Raul M. Grijalva Canoa Ranch Conservation Park 5375 S. I-19 Frontage Rd., Green Valley

Explore a 2-to-3-mile section of the Anza Trail during an easy, level interpretive hike. Learn about the cultural and natural history of the Santa Cruz Valley. Travel on the Juan Bautista de Anza National Historic Trail to the area of La Canoa where the expedition to found San Francisco camped after leaving Tubac Presidio in...

Free – $5

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...

Free with Park Fee

Surprise Public Library: Vitalant Blood Drive

Surprise Public Library - Surprise Regional Library 16089 N. Bullard Ave., Surprise

Your contribution is important for a healthy and reliable blood supply. Feel good knowing you've helped save a life! To schedule an appointment, visit donors.vitalant.org (Blood Drive Code: P1T62). For questions contact...

Free

Yuma County Library District: Memory Café

Yuma County Library District - Main Library 2951 S. 21st Dr., Yuma

Join us at the Memory Café, a safe and supportive environment for people with Alzheimer's, dementia, or other memory loss and their caregivers. Take a break and enjoy some social time and...

Free

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 for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network, and celebrated in more than 192...

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! Ask a ranger at the visitor center desk for the topic of the day. Free with Park Fee

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 of California fan palms, how these tropical trees can grow in the desert Southwest, and their importance to both wildlife and native cultures. Did you...

Free with Park Fee

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 Style: Fulldome documentary followed by live presentation   Planetarium Tickets Adults: $12 Children (ages 3-15): $8 Children ages 2 and under: Free Discounted Rates Seniors (55+) and...

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...

Free – $12

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...

$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...

$15