You can explore the grounds at Kingsley Plantation, which include the slave quarters, barn, waterfront, plantation house, kitchen house, and interpretive garden. The visitor contact station/bookstore is located in a 1920s building adjacent to the plantation buildings.
Kids can complete the Junior Ranger activities at Fort Caroline National Memorial/Timucuan Preserve Visitors Center and the Theodore Roosevelt Area and become an official Timucuan Preserve Junior Ranger! Check the website for the link to the paperwork!