Sunday, June 16, 1-4 p.m., Father's Day Family Treasure Hunt, Trail Wood: The Edwin Way Teale Memorial Sanctuary, Connecticut Audubon Society. Fee per family: $10 CAS members; $20 non-members. Tell Dad to take a hike! Find hidden stamp boxes featuring nature facts. Hint sheet provided. Collect them all and get a prize. Register at the Trail Wood info shed or pre-register by contacting Laura at email@example.com.