Take an interpretive tour of the Birkmose Mounds covering general history, archaeology, and preservation of mounds. The guided tour is 45-60 minutes and costs $15/person (payable ahead of time online or on-site). The “Ask Us!” table and entrance to park is free of charge. There will be an archaeologist and historian, with local recommended books for sale, flyers/brochures for Friends of Birkmose Park and Octagon House Museum (Hudson Area History Connection).