Mammoth Cave National Park

By Geology and Ecology of National Parks

Also visit the Department of the Interior's blog site to learn

Mammoth Cave National Park in Kentucky was established to protect the unparalleled underground labyrinth of caves, the rolling hilly country above, and the Green River valley.

Mammoth Cave National Park

Also visit the Department of the Interior's blog site to learn

Geology of Mammoth Cave National Park

Hydrology of Mammoth Cave National Park

Ecology of Mammoth Cave National Park

U.S. Geological Survey

U.S. Department of the Interior