• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Cacti - Nylon Hedgehog Cactus

Nylon Hedgehog Cactus - Echinocerus viridiflorus
Nylon Hedgehog Cactus - Echinocerus viridiflorus
NPS Photo

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...