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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: Cave Creek – Invasive Species Removal

Cave Creek Regional Park 37900 E. Cave Creek Pkwy., Cave Creek

Meet at the park’s Nature Center. Join us in removing invasive species and reducing wildfire risk in our parks. Participants will learn to identify several invasive species, their phenology and characteristics, and how to effectively remove these invasive plants. The initiative is to remove invasive plants as a proactive step toward ecological restoration and to...

Free with Park Fee

Maricopa County Parks and Recreation: Usery – Invasive Species Removal

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

Meet at the park’s Nature Center. Join us in removing invasive species and reducing wildfire risk in our parks. Participants will learn to identify several invasive species, their phenology and characteristics, and how to effectively remove these invasive plants. The initiative is to remove invasive plants as a proactive step toward ecological restoration and to...

Free with Park Fee

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

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

Meet at Area 4 parking lot. Participants will learn to identify several invasive species, their phenology and characteristics, and how to effectively remove these invasive plants. The initiative is to remove invasive plants as a proactive step toward ecological restoration and to reduce wildfire risk.  To learn more about the Parks Desert Defender Program, click...

Free with Park Fee

Yavapai County Free Library District: Google Apps Computer Class

Yavapai County Free Library District - Prescott Valley Public Library 7401 E. Skoog Blvd., Prescott Valley

Prescott Valley Public Library will be offering a Google Apps Computer Class on Fridays, April 25th & May 2nd, 2025. Unlock the power of Google Apps in this hands-on class designed to help you navigate essential tools like Google Drive, Docs, Slides, Photo and Calendar. Whether you’re looking to organize files, create and edit documents, or collaborate...

Free

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 Vitalant at 877-258-4825.

Free

Tohono Chul: Reptile Ramble

Tohono Chul 7366 N. Paseo Del Norte, Tucson

Discover the fascinating world of our scaly neighbors! Learn to identify local reptiles and finally uncover the answer to the age-old question: Why do lizards do push-ups? Get up close with non-venomous snakes, lizards, tortoises, and more in this engaging, hands-on experience! This wildlife experience is perfect for nature enthusiasts of all ages.

Free with Admission

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...

Free with Park Fee

Pima County Public Library: Garden Talk – Cacti and Succulents: The Basics

Pima County Public Library - W. Anne Gibson-Esmond Station Library 10931 E. Mary Ann Cleveland Way, Tucson

Join us for a free gardening presentation by Pima County Master Gardeners from the University of Arizona Cooperative Extension. Today's topic is Cacti and Succulents: The Basics! Always popular in our desert climate, cactus and succulents offer a wide range of drought-tolerant plants for the home garden. Many attractive varieties are available, whether for in-ground planting...

Free

Maricopa County Parks and Recreation: Discovery Station – Join the City Nature Challenge

Cave Creek Regional Park 37900 E. Cave Creek Pkwy., Cave Creek

Join Ranger Nikki to learn about this weekend’s City Nature Challenge April 25-28 and how your input can help the scientific community.  Ranger Nikki will host a drop-in information table to help you become a Citizen Scientist by joining the global City Nature Challenge taking place April 25-28 and help Team Phoenix log the most...

Free with Park Fee

Maricopa County Parks and Recreation: Discovery Station – Join the City Nature Challenge!

Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear

Learn about this weekend’s City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science!   Stop by to learn from Ranger Eric about the free iNaturalist app you can use to identify any living organism on the planet with your smartphone, while also increasing our...

Free with Park Fee

Phoenix Herpetological Sanctuary: Facility Tour

Phoenix Herpetological Sanctuary Actual location given after reservations, Phoenix

Interact with some of our special animals, which for many people is a once in a lifetime experience.  Guests will get to learn about endangered species, how we contribute to conservation of those animals, some of the considerations we must take into consideration when having these reptiles in Arizona, which reptiles are good pets for children or adults, adaptations...

Free – $25

Arizona – Sonora Desert Museum: Borderlands Cats

Arizona - Sonora Desert Museum 2021 N. Kinney Rd., Tucson

Allison Kreis of The Northern Jaguar Project teams up with Cholla Rose Duir of La Tierra del Jaguar to give you the latest in big cat news! Learn about the ecology, behavior, and conservation of mountain lions, bobcats, ocelots, and jaguars. Explore each species' unique role within their ecosystems, their hunting and survival strategies, and...

$40 – $44

The University of Arizona: Richard F. Caris Mirror Lab Tour

The University of Arizona Steward Observatory 933 N. Cherry Ave., Tucson

This 90-minute tour provides a unique opportunity to learn how innovative engineering and optical technology melds with manufacturing techniques to produce the largest and most advanced giant (8.4 meters / 27 ft)  telescope mirrors in the world on the University of Arizona campus. Visitors will see the unparalleled technology and revolutionary processes in making the...

$20 – $25

Pima County Public Library: Understanding Your Website Builder – The Wix Edition

Pima County Public Library - Eckstrom-Columbus Library 4350 E. 22nd St., Tucson

Many website builders come with tons of different tools and features to help you design the website of your dreams but it can be hard to tell how to get started and what features you should be using. If you're having a hard time using Wix to build a website for your small business or...

Free

Flandrau Science Center & Planetarium: Mysteries of the Unseen World

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

This planetarium show takes you on an extraordinary journey into unseen worlds and hidden dimensions beyond our normal vision to uncover the mysteries of things too fast, too slow, too small or simply invisible. Audience: General, all ages Style: Fulldome film and live star talk  Planetarium Tickets Adults: $14 Children (ages 3-15): $10 Children ages 2 and...

Free – $14

Yuma County Library District: Computación Básica

Yuma County Library District - Somerton Library 240 Canal St., Somerton

Aprenda a usar la computadora, navegar la red, y usar programas de oficina! Por orden de llegada, el aforo es limitado.

Free

Flandrau Science Center & Planetarium: Touring the Solar System

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

Zoom away from planet Earth and take a guided tour through the Solar System! Let's stop by each of the planets and learn why they are unique. On our journey, we will be pointing out interesting facts along the way. Audience: General, all ages Style: Live presentation about planets and space exploration   Planetarium Tickets...

Free – $14

Arizona Science Center: CREATE – LaterLab

CREATE at Arizona Science Center 105 N. 5th St., Phoenix

LaterLab is a space for Makers to freely design, create and connect! Using the tools, machines and materials already available at CREATE, Makers will have the freedom to build on...

$40.00

Yavapai County Free Library District: Recycled Fashion Show – Enchanted Forest

Yavapai County Free Library District - Prescott Valley Public Library 7401 E. Skoog Blvd., Prescott Valley

Calling all designers, creators, and recycling enthusiasts! It’s time to register for the Recycled Fashion Show. Registration deadline is 11 PM, Tuesday, April 22, 2025. This year, contestants will show off their fashion designs during a live in-person show at the library auditorium on Friday, April 25, 2024, from 5:15 - 7 PM. Tweens, Teens,...

Free

Girl Scouts Arizona Cactus – Pine: Girls Who Weld – Intro to Welding (Scottsdale)

Join The Walter Hive in their maker-space for an intro to welding workshop! In this class, Girl Scout Cadettes and older will learn basic welding techniques from professional welder Jina-Lin. Girl Scouts will construct a metal sculpture to showcase their new welding abilities. Complete The Walter Hive's safety waiver before attending: https://www.cognitoforms.com/thewalterhive/thewalterhivereleaseofliabilityform   For safety,...

$50.00