In 1928, Cleveland became home to a one-of-a-kind, 900-ton steel sphere, called the Cunningham Sanitarium, which used oxygen therapy to treat diabetes, high blood pressure and other illnesses. Its leader, Dr. Orval J. Cunningham of Kansas City, Mo., had the five-story steel ball—which contained 40 rooms and 40 baths -- built on Lake Shore Boulevard at East 185th Street for $1 million—that's $12.9 million in today's money.
Finally! The excuse we've been waiting for to post this wonderful old photo of what some call the Hyperbaric Hotel.
O2.0 is the news blog of HyperbaricLink, the independent web guide to hyperbaric oxygen therapy.