• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wind Cave Room - Inner Sea

Bob Kobza by the shore of the Inner Sea
Bob Kobza by the shore of the Inner Sea
NPS Photo by Jim Pisarowicz
 
This small lake off the Mammoth's Backbone was discovered by Jim Pisarowicz and Bob Kobza on October 22, 1986.

Did You Know?

American bison on the Wind Cave National Park prairie

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...