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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

National Park Service: Guided Rim Walk | Ranger Program

Grand Canyon National Park - South Rim Grand Canyon

Learn about Grand Canyon's natural world on a one-hour guided walk on a paved pathway along the canyon rim. Topics vary and may include: animals and plants adapting to changing seasons, man's impact on nature, how nature inspires writers and poets, rare and endangered species, or Indigenous people's use of plants and animals. Program duration: 60...

Free with Park Fee

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 sculptures made entirely of LEGO® bricks at this exhibition, included with Zoo admission and free for Zoo members from 9 a.m. to 4 p.m. daily....

Free with Admission

Phoenix Public Library: Mousing & Keyboarding | Ratón y Teclado

Phoenix Public Library - Ocotillo Library 102 W. Southern Ave., Phoenix

In this class, we'll review the design and functions of the mouse and keyboard. Come explore different features and tools and practice what you've learned in our staff supported computer lab. No computer experience required. This class will be presented in both English and Spanish. En esta clase revisaremos el diseño del mouse y el...

Free

Central Arizona Conservation Alliance: Community Science Monitoring of Urban Saguaro Health: The Saguaro Monitoring Program within the Desert Botanical Garden’s Saguaro Initiatives

Desert Botanical Garden 1201 N. Galvin Pkwy., Phoenix

The Saguaro Census, organized by the Desert Botanical Garden, provides an important snapshot of saguaro distribution across the Phoenix Valley. However, long-term monitoring is essential to strengthen these data and better understand changes in plant health and survival over time. To address this need, the Saguaro Monitoring Program was developed as a student- and volunteer-led...

Free with Admission

Phoenix Public Library: Red Cross Blood Drive

Phoenix Public Library - Mesquite Library 4525 E. Paradise Village Pkwy. N., Phoenix

Gift the gift of blood at the American Red Cross Blood Drive! Appointment times can be found by going to www.redcrossblood.org and selecting the "Donating Blood" option.

Free

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

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

Explore the cutting-edge of astronomical innovation on this 90-minute guided tour of the Richard F. Caris Mirror Lab at the University of Arizona. Learn how pioneering engineering, optical science, and precision manufacturing come together to create the world’s largest and most advanced telescope mirrors—each 8.4 meters (27 feet) in diameter. Located beneath the U of A’s football...

$20 – $25

Scottsdale Public Library: Word Series

Scottsdale Public Library - Civic Center Library 3839 N. Drinkwater Blvd., Scottsdale

2-Sessions - Class dates: 5/5 & 5/7 Learn fonts, text entry, formatting, use of Undo/Redo, Find/Replace, Bullets/Numbering, and Copy/Paste. Taught using Word 2016, but techniques learned work with earlier versions. Prerequisite:  Proficiency in the use of computer/mouse. Classes are taught on library supplied laptops.

Free

National Park Service: Geology Talk | Ranger Talk

Grand Canyon National Park - South Rim Grand Canyon

Enhance your afternoon with quick insights into the geologic story of Grand Canyon at our "Geology Talk" ranger program. Meet in front of Yavapai Geology Museum. Learn how this immense canyon formed and the science behind the landscape. The program is 30 minutes long and is accessible. Grand Canyon is one-mile deep, up to 18 miles wide, 277 river...

Free with Park Fee

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

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

Explore the cutting-edge of astronomical innovation on this 90-minute guided tour of the Richard F. Caris Mirror Lab at the University of Arizona. Learn how pioneering engineering, optical science, and precision manufacturing come together to create the world’s largest and most advanced telescope mirrors—each 8.4 meters (27 feet) in diameter. Located beneath the U of A’s football...

$20 – $25

Southwest Wings: Spring Fling – Free Welcome Jamboree

The Mall at Sierra Vista 2200 El Mercado Loop, Sierra Vista

You're cordially invited to join our FREE Early Bird Check-in and Welcome Jamboree on Tuesday, May 5, 3:00-5:00 PM for registered participants only, to be held inside the southend of the Mall. Be sure to select it when registering to secure your space. Enjoy a chance to meet your fellow Southwest Wings participants, guides, and...

Free

Phoenix Public Library: Adult Glowforge Studio

Phoenix Public Library - Burton Barr Central Library ​1221 N. Central Ave., Phoenix

Join MACH1 in the Children's Department and learn how to create an introductory project with our Glowforge Aura. Participants will create a design for the Glowforge Aura laser cutter using a free vector graphics editor. Participants will need to return to pick up their design at a later date. No experience necessary. This program is designed for adults 18...

Free

Chandler Public Library: Water-Wise Workshop – Understanding Your Irrigation System

Chandler Public Library - Sunset Campus 4930 W. Ray Rd., Chandler

Join us to learn more about your irrigation system, how to run it efficiently and how to properly maintain it from an irrigation expert. Maintaining your sprinkler and drip system will save you water, time, and money. A well-maintained irrigation system will reduce the need for repairs, replacements, and will prevent leaks. This program is...

Free

OWASP Phoenix: Agentic AI Design Patterns and Their Security Implications

HeatSync Labs 108 W. Main St., Mesa

This talk explores common agentic AI design patterns and examines how these patterns reshape the security attack surface. It focuses on real-world risks such as delegated identity abuse, cross-agent trust violations, state leakage, and unsafe autonomy boundaries along with remediation strategies.

Free

Lowell Observatory: Astrophotography Program

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

Take the first step in your astrophotography journey with an intensive course at Lowell Observatory! This 2-hour program accommodates a maximum of 6 guests. Using our 17-inch Planewave CDK Telescope and QSI 683 CCD camera, you will be taken through the process of imaging two different objects. Then, we will teach you how to combine,...

$63.20 – $79