• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Showy Milkweed

Showy Milkweed - Asclepias speciosa
Showy Milkweed - Asclepias speciosa
NPS Photo by Jim Pisarowicz
Showy Milkweed is the most widespread milkweed of the Great Plains.

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...