Exterior, House Building Type, Flat RoofLine, Concrete Siding Material, and Green Roof Material Shope and his wife carefully designed an eco-friendly landscape: For instance, they did not fell any tree with holes that could support an owl’s nest. They also planted flower species that feed hummingbirds and monarch butterflies. Shope laid out the pathway of reclaimed granite slabs that leads toward the Hudson River below.  Photo 12 of 13 in Discover 6 Amazing Riverside Homes from A House Not Built for Human Beings