Greater Phoenix City Nature Challenge 2026: Second Sundays on Mill – Urban Adventure
Join us the 2nd Sunday in April from 10 AM to 3 PM for a market experience that’s anything but average! Each event features a new theme with on-street entertainment, interactive art, themed activities, snacks, and drinks — plus plenty of fun for all ages.
This month: Citizen Science!
The outdoor market lines Mill Avenue between 3rd St. and University and features a curated mix of Arizona-based artists, makers, and small businesses — including a special Kids Market where young entrepreneurs showcase and sell their own handmade creations.
The event is FREE admission, family-friendly, and dog friendly!
- Date Custom 04/12/2026
- Allowed Ages All Ages
- Audience Toddlers (up to 36 months), Preschoolers (3 - 5 years), Kids (6 - 8 years), Tweens (9 - 12 years), Teens (13 - 18 years), Adults
- Genre Conservation and Sustainability, Field Sciences
- Type Expo/Festival, Field Trip/Outdoor Activity, Volunteer Opportunity
