House built in 1911 in Cadwalader Heights. Photo courtesy of Cadwalader Heights Neighborhood Association   Olmsted’s Trenton Designs Saturday, September 16, 10 a.m.-5:30 p.m. After an early lunch in Trenton, NJ, this bus tour will take us to Cadwalader Park designed by Frederick Law Olmsted in 1890-92. His plan for the park left intact Ellerslie, […]