Join us for one of our Open Houses! Each event has a unique theme and activities, making it an exciting, exploratory experience each time. Reservations are required. See below for the themes for the 2026 Open House season:

• Saturday, April 25: Celebrating Arbor and Earth Day
• Thursday, May 21: Exploring Art @ Yerkes
• Saturday, June 20: Summer Solstice Celebration
• Saturday, July 31, 2026: The Wonders of Physics
• Saturday, October 17, 2026: International Observe the Moon Night