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Field Sciences

Events for October 31, 2026

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university of arizona

The University of Arizona: ENR2 Guided Tour

The University of Arizona Environmental and Natural Resources 2 Building (ENR2) 1064 E. Lowell St., Tucson

Register for a FREE guided tour of one of seven different collections of trees and plants in the Campus Arboretum. Led by Pima County Master Gardeners, the tours provide in-depth education, information and the opportunity to get all your questions answered. How can we have a lush but water-wise garden in the middle of a densely populated...

Free

heritage park zoological sanctuary

Heritage Park Zoological Sanctuary: Boo at the Zoo

Heritage Park Zoological Sanctuary 1403 Heritage Park Rd., Prescott

A Heritage Park Zoo Tradition! Boo at the Zoo is a fun family event held every October 31st. This year, gates will open for Boo at 5:00 pm for families with children 6 and under and at 6pm for all ages. Last admission will be at 8:30 pm. Come in costume and trick-or-treat at different...

$10 – $12