Its city of Bowling Green is near the world's largest cave system, Mammoth Cave.
Muldraugh Hill forms part of the northern border of this state's Pennyroyal Plateau. This state's southwest is known as the Jackson Purchase, and its Harlan County contains its highest point, Black Mountain. This state contains Campbellsville University, as well as(*) Red River Gorge. Its city of Bowling Green is near the world's largest cave system, Mammoth Cave. This state, which contains Lexington, is also home to Churchill Downs, in the city of Louisville. For 10 points, name this Bluegrass State, with capital at Frankfort.
Muldraugh Hill forms part of the northern border of this state's Pennyroyal Plateau.
{Kentucky}