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Maricopa County Master Gardeners: Fall Festival and Plant Sale

Metro Tech High School 1900 W. Thomas Rd., Phoenix

The event includes plant sales by the Master Gardeners and Metro Tech Horticulture department, invited plant and craft vendors, student clubs, prize drawings, and a treasure of rummage items. Unique...

Free

City of Scottsdale: Eek at the Peak

Pinnacle Peak Park 26802 N. 102nd Way, Scottsdale

For a Ghoulishly good time, join us for this fun FREE event at Pinnacle Peak Park for a Pre-Halloween Skele-bration! We will have costume contests (10 am) set up by...

Free

Gilbert Rotary Centennial Observatory: Sun Viewing

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

View the Sun through safely filtered telescopes. Saturday, October 24 from 9am - 2pm. Help us celebrate 20 years of viewing the wonders of our night (and day) sky. Public...

Free

Heritage Park Zoological Sanctuary: Fall ZooFest

Heritage Park Zoological Sanctuary 1403 Heritage Park Rd., Prescott

Come Celebrate Fall at Heritage Park Zoological Sanctuary’s Fall ZOOFest! Bounce House Maze Photo Spots Concessions Animal feedings October 24 & 25, 2026 Activities from 9am-5pm, included with paid admission. Members...

Free with Admission

Nina Mason Pulliam 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 the wildlife that...

Free

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,...

Free – $25

Liberty Wildlife: Public Open Hours

Liberty Wildlife 2600 E. Elwood St., Phoenix

We will have daily programs and presentations that will be advertised in the lobby upon your arrival for a different experience each visit. October through April we are open to...

Free – $10

Yuma County Library District: Floating Spider Experiment

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

A fun science experiment for children of all ages with parent supervision. In this activity the children will be learning about static electricity while experimenting with household items! Supplies and...

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

Flandrau Science Center & Planetarium: Dark Biosphere

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

Deep beneath the earth's crust, hundreds of kilometres below the surface, with no light, no air, and very little water, in pores and fissures of hard rock, scientists have found...

Free – $27

Lowell Observatory: Theater Show – Meet the Planets

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

Join us on a journey through the solar system as we visit each of the planets! Travel from scorching-hot Mercury to icy Neptune and Pluto during this live presentation. Along the way,...

Free with Admission

Pima County Public Library: Create Club!

Pima County Public Library - Quincie Douglas Library 1585 E. 36th St., Tucson

Do you love crafts, games, LEGOs and experiments? Join us each week hands-on STEAM activities that will ignite your imagination and creativity! This is an intergenerational program, so the whole family...

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

Phoenix Herpetological Sanctuary: Gator and Ghouls

Phoenix Herpetological Sanctuary Actual location given after reservations, Phoenix

Come visit the Phoenix Herpetological Sanctuary's annual Gators and Ghouls event for a spooky family night of FUN! The PHS property will be open for guests to explore all of...

Free – $35

Reid Park Zoo: Boo at the Zoo 2026

Reid Park Zoo 3400 Zoo Court, Tucson

Enjoy A Bewitching Evening! Dig up your zombies and grab your ghouls! Show off your boo-tiful costumes at Reid Park Zoo for a delightful, not too frightful, family friendly evening...

Free – $16

Wildlife World Zoo, Aquarium and Safari Park: Spooktacular After Dark

Wildlife World Zoo, Aquarium and Safari Park 16501 W. Northern Ave., Litchfield Park

The zoo gates creak open after hours for a frightfully fun night filled with plenty of trick-or-treating, two "spooky" Sea Lion shows, a costume contest, monster mash dance party, and...

Free – $27.93