granite
it is a 'karst' cave, i.e. formed by the action of water on limestone.
The mammoth cave was discovered yesterday.This is one huge, mammoth cave!The mammoth cave paintings were incredibly detailed.
No, only vandalistic graffitti from early visitors.
mammoth cave is a cave
Mammoth Cave Region
The Mammoth Cave system, located in Kentucky, is the largest cave in the world.
Mammoth Cave, located in Kentucky's Mammoth Cave National Park in the United States.
yes there is a motel in the mammoth cave
Mammoth Cave has over 390 miles of passageways. Mammoth Cave National park covers 52,385 acres. Mammoth Cave was once used as a tuberculosis hospital. Mammoth Cave receives over 500,000 visitors each year.
Mammoth Cave is located in Kentucky.
Yes, it is in Mammoth Cave National Park.