15 Amazing Examples of Invisible Architecture

sauna

sauna2
Photos via

The Cadyville Sauna (from Dan Hisel Architect) sits along the Saranac River in upstate New York. It’s built against a cliff, part of which is used as an interior wall, and covered in mirrors. Reflections of trees and the surrounding space toy with your sense of perception. The sauna is a true meditative hideaway.