A new installation by Boston-based architecture studio Matter Design features a wooden box with sculptural interior walls that radiate different temperatures, creating an "intimate and contradictory set of experiences". More about Matter Design's Microtherme conceals voluptuous concrete forms within a wooden box
Graduate shows 2015: students from the Oslo School of Architecture and Design have designed and built a seaside sauna made up of three wooden bands that stagger up over the rocky terrain (+ slideshow). More about Oslo architecture students build a wooden sauna that steps over the Norwegian landscape
This timber-clad sauna for a seaside home in Sweden was designed by Stockholm studio Murman Arkitekter with two gently angled wings that overlook the Baltic Sea (+ slideshow). More about Pine-clad sauna by Murman Arkitekter sits on the Stockholm archipelago
A sauna is housed within this wooden hut by Andre Tchelistcheff Architects, which perches on a grassy knoll overlooking the Hudson River and Catskill Mountains in upstate New York (+ slideshow). More about Wooden cabin by Andre Tchelistcheff Architects houses a sauna in the Hudson Valley
Behind the burnt-timber exterior of this sauna by Canadian studio Partisans is a cavernous cedar interior that emulates the form of a seaside grotto (+ slideshow). More about Lakeside sauna by Partisans designed as a cavernous wooden grotto
German architecture collective Modulorbeat stacked concrete components normally used for mine shafts to create a tower housing a tiny sauna on the outskirts of the city of Bochum. More about Modulorbeat creates One Man Sauna inside a stacked concrete tower
This tiny wooden cabin in Sweden contains a sauna and a bedroom with large picture windows that frame views of the surrounding forest (+ slideshow). More about Ermitage Cabin by Septembre
Milan studio AtelierFORTE have built a sauna in the northern Italian countryside that has wings like a bird. More about Sauna Huginn&Muginn by AtelierFORTE
In the freezing winter months this wooden sauna on a Finnish island can be towed like a sledge over a frozen lake to find the right spot for a plunge pool. More about Denizen Sauna by Denizen Works + Friends
A herb garden surrounds this glass-fronted spa in Santiago by Chilean studio LAND Arquitectos. More about Spa Atrapa Árbol by LAND Arquitectos
Czech studio H3T architects have hung a sauna beneath a bridge over the river Elbe. More about Flying Sauna by H3T architects