Apr 18 Arizona State Parks & Trails: Earth Day Celebration at Red Rock 10:00 am - 2:00 pm Red Rock State Park 4050 Red Rock Loop Rd., Sedona Event Details Get Directions
Apr 18 Lowell Observatory: Orbits Curiosity Early Learners Camp – Planets: Terrestrial 10:30 am - 12:00 pm Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff Event Details Get Directions
Apr 18 ⭐ Rosson House at The Square PHX: Galaxy STEM Fest 2026 11:30 am - 4:00 pm Rosson House at The Square PHX 113 N. 6th St., Phoenix Event Details Get Directions
Apr 18 Arizona State Parks & Trails: Star Party at Kartchner Caverns 1:00 pm - 9:00 pm Kartchner Caverns State Park 2980 AZ-90, Benson Event Details Get Directions
Apr 18 Arizona State Parks & Trails: Star Party at Cattail Cove 6:30 pm - 8:30 pm Cattail Cove State Park AZ-95, Lake Havasu City Event Details Get Directions
Apr 18 ⭐Gilbert Rotary Centennial Observatory: Astronomy Observation 6:30 pm - 9:30 pm Riparian Preserve at Gilbert Water Ranch 2757 E. Guadalupe Rd., Gilbert Event Details Get Directions
