Outdoor, Woodland, and Trees The structure sits among the trees on the three-acre site. “The elevation is 6,600 feet—you can sit outside even in winter,” says Hawkins. “There’s a lot of outdoor space, which helps tie the project to the property. The design was all about fitting it into the environment.”  Photo 3 of 19 in A Forest Sanctuary Designed to Support Autistic Triplets, Their Parents, and a Host of Caregivers