• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Flies - Robberfly Close-up

Robberfly Closeup
Robberfly Close-up - Diogmites neoternatus
Click on Picture for an overview
NPS Photo by Don and Pat Valenti

Did You Know?

A picture of Alvin McDonald in his caving hat.

Alvin McDonald was the first systematic explorer of Wind Cave. He explored the cave from 1890 until his death in 1893. More...