The sauna originated in Finland, and may be one of two types: dry heat or wet (steam) heat. Which one to use depends on personal preference and one's ability to tolerate the high humidity of a steam room.
The sauna tradition is not limited to Finnish culture. The Ancient Romans, Aztecs and Mayas all had the equivalent of saunas, steam rooms or heated public bath houses. So did the Chinese, Koreans and Japanese. In North America, the Native American Indians had sweat lodges.
Saunas, Steam Rooms and Public Baths around the World
Today, public bath houses are in abundance throughout Asia and the Middle East, while dry and wet saunas are prevalent in parts of Europe. Saunas