The State of Illinois is currently in Phase 4 of its five-phase reopening plan. Thank you for wearing a mask in public and when entering establishments per Illinois' guidelines. This ensures we can continue to keep our people employed and businesses open.
Click here for more COVID-19 travel resources.
Geodes are spherical hollow nodules that usually contain crystals. Learn more about the theories on how geodes form and where they are found. This virtual lecture will include a “how -to” for cracking your own geodes! Purchase your geode from the Museum Shop online or in-store.