America 250: Lake Champlain and Fort Ticonderoga’s artillery defenses are seen through a window inside the fort in Ticonderoga, N.Y. The narrow Champlain Valley formed a natural invasion corridor between Canada and New York, making Ticonderoga one of the region’s most strategically important military positions during the 18th century. [Photo: S Cobaugh, Aug. 22, 2026]
America 250: Lake Champlain and Fort Ticonderoga’s artillery defenses are seen through a window inside the fort in Ticonderoga, N.Y. The narrow Champlain Valley formed a natural invasion corridor between Canada and New York, making Ticonderoga one of the region’s most strategically important military positions during the 18th century. [Photo: S Cobaugh, Aug. 22, 2026]