Join the Field Station for a fun, family afternoon foraging the Little Calumet trails in search of carefully hidden (ceramic) frogs. Each frog will be valued according to size. Find a whopper…$25. Find the teeny-tiny tree frog and you could bring home $500. A minimum of $2500 in cash rewards will be issued to lucky hunters. One reward per participant. Food and beverages will be available for purchase and there will be special events for young children. Enjoy the beautiful trails of Chellberg Farm located in the heart of the Indiana Dunes National Park. All tickets must be purchased online, check website for purchasing dates. NO ONSITE TICKET SALES WILL BE AVAILABLE. Check-in begins at 1:30 pm.