Helena, Montana 1869, October 1871, August 1872 and January 1874 that swept through the early mining camp. On August 2, 2016 an arson attack severely damaged the "tower" and was deemed structurally unstable. The tower is to be "demolished"; however, it is to be ""rebuilt" using the same methods that were used in its original construction. In 1889, railroad magnate Charles Arthur Broadwater opened his Hotel Broadwater and Natatorium west of Helena. The Natatorium was home to the world's first indoor swimming pool. Damaged in the earthquake of 1935, it was closed in 1941. The many buildings on the property were demolished
San Juan Natatorium San Juan Natatorium The San Juan Natatorium is an Olympic-level aquatic sports facility located in San Juan, Puerto Rico. Located in San Juan's Parque Central (Central Park) the natatorium is regarded as the most advanced natatorium in the Caribbean and 4th in the entire world as of October 2007. The facility is used to host local and international events such as the 2nd A.S.U.A Pan American Masters Swimming Championship, as well as an important United States collegiate winter practice venue for many NCAA-affiliated colleges and universities. San Juan's Mayor Jorge Santini opened the new roofed San Juan Natatorium, developed by