Many individuals and groups have been involved in the exploration of Wind Cave, one of the world's longest caves.
The cave is still being explored with no end in sight.
For more information about cave exploration explore the following web pages.
Did You Know?
The American bison is the largest terrestrial mammal in North America. Male bison can weigh a ton and can run 35 miles per hour. Do not approach bison. They weigh more and can outrun you. More...