Hot Springs, Helena, Montana, USA, c1900. The Hotel Broadwater and Natatorium, built in 1889 by businessman Colonel Charles A Broadwater, an important example of the Moorish style. European-style health spa which boasted a plunge pool supplied with water from both hot mineral and cold mountain springs, a forty-foot-high mass of granite boulders, toboggan slides, waterfalls, and observation decks. From Scenic Marvels of the New World edited by Prof. Geo.R. Cromwell. [C.N.Greig & Co., c1900]