A national park in Kentucky has the longest known cave system in the world. This week, Floyd Collins is being remembered there. He was an explorer whose death a century ago became an international ...
Cave explorer William Floyd Collins's mission to enlarge the small passage turned into a harrowing ordeal witnessed by tens ...
William Floyd Collins, a renowned cave explorer, entered Sand Cave in Kentucky on 30 January 1925 with a single kerosene lamp ...
An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park. A national park in Kentucky has the longest known cave system in the world ...