Exterior and Treehouse Building Type Connected to the main house by a narrow bridge, a three-story cedar tower with a sauna at its base recalls a tree house. The screened-in second level includes a table and chairs for enjoying an outdoor meal, while a swing on the tower’s top level provides a perch to take in the surrounding birch trees.  Photo 1 of 3 in Exposed Beams by Clifford Nies from A Passive House and “Sauna Tower” Join a 19th-Century Barn in the Hudson Valley

Exposed Beams

1 of 3

Connected to the main house by a narrow bridge, a three-story cedar tower with a sauna at its base recalls a tree house. The screened-in second level includes a table and chairs for enjoying an outdoor meal, while a swing on the tower’s top level provides a perch to take in the surrounding birch trees.