Several years later, in 1947, Frank Haymaker used a similar surface-supplied diving helmet to make observations in Scripps Canyon. Shortly after the development of the Aqua-lung, which was the first ...

As warmer weather arrives, outdoor enthusiasts in Montana and Wyoming are diving into an activity that's gaining traction: ...

Plus, the latest example costs less than a grand. Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more During the economic boom ...