Floating saunas, an egg-shaped sauna and a sauna built like a concrete mine shaft are some of the 10 unique saunas to warm up in cold countries.

Gothenburg Public Sauna, Sweden, by Raumlabor
Local residents worked with Berlin-based studio Raumlabor to build the Gothenburg Public Sauna. A wooden bridge projects out in to a harbour to link the sauna on stilts, which is clad in sheets of rusty corrugated metal.
It's lined with strips of larch inside, and features a shower with a screen made of recycled glass bottles.
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Floating Sauna, Sweden, by Small Architecture Workshop
Small Architecture Workshop avoided disturbing any nature on the banks around a lake in Åmot, Sweden, by building a sauna for tourists on a floating platform. The sauna is clad in wood planks that have been charred ? a kind of wood treatment that requires no toxic chemicals and helps the structure merge with the peat lake bottom. A large piece of glazing on one side allows the occupants to gaze out over the lake as they sit inside.
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Grotto, Canada, by Partisans
Perched on a craggy outcrop on the shore of Lake Huron, Grotto is a private sauna with a cavernous interior of curving cedar-clad benches, nooks and porthole windows.
Canadian studio Partisans undertook a 3D scan of the rocky site before designing Grotto, then collaborated with a local sawmill to CNC-cut the prefabricated parts that were taken over by boat and craned into positio...