Casa Lee in Porto Feliz, São Paulo (Brazil) by Studio
Image 4 of 72 from gallery of Snow Hotel / 1990 uao + Archigroup MA. Photograph by Sun Namgoong
A home sauna is a luxury for sure — but these 5 compact models make the "spa aesthetic" a reality. In addition to sauna, some even offer integrated showers, steam and mud baths — all in a compact space not much larger than a bathtub.