This one-man sauna in Germany is created by three architects at modulorbeat, Marc Günnewig, Jan Kampshoff, and Sebastian Gatz. They were inspired by the nature of the former factory site, which reflects the changing state of manufacturing in the region. “When we arrived, looking for a location, [we thought] it was so beautiful how the nature came back to the industrial site,” says Kampshoff. “We transformed it into a space with an urban quality.”  Cabins & Hideouts from Unusual Saunas