Guided walk across Lake Champlain Bridge in Crown Point, N.Y., meet at the Crown Point (N.Y.) State Historic Site Museum, Sunday July 31st from 1:00 pm to 3:00 pm. Crown Point site manager Michael Roets and Chimney Point site manager Elsa Gilbertson lead a round-trip walk to Chimney Point and back. Rain or shine. Dress for the weather. Cost $6. For more information please call: 802-759-2412 or go to www.historicsites.vermont.gov/chimneypoint.