Events Calendar
Apr 18–Apr 28, 2026
CAA/CALL Travel: Peru and the Wonders of the Andes (Full)
Around the World with Calvin: 150th Anniversary Tour
Apr 25, 2026
City Nature Challenge
9:00 am–12:00 pm
Preserve Trails
Cities around the world collaborate to share observations of nature in the 2026 City Nature Challenge.
Apr 25, 2026
Visit Calvin: Saturday Visit
9:30 am–12:00 pm
Spoelhof University Center
We're excited to see you on a Saturday. There's always something going on!
Apr 25, 2026
Preserve | Turtle Fest
2:00 pm–4:00 pm
Bunker Interpretive Center
Celebrate one of our favorite Preserve friends, the turtle!
