Two thousand years passed.

The mining stopped.

The historic period began.

European Americans came to Kentucky, found the cave, worked it for saltpeter, opened it to tourists, installed lights and trails and handrails and visitor centers.

And then, on the morning of June 7, 1935, Lyman Cutliff and Grover Campbell climbed a ledge near Waldack Dome and found him still there.

What The Modern Visitor Encounters

Today, tourists visiting Mammoth Cave enter through the Historic Entrance with electric lights and detailed maps and guides who have rehearsed the route so many times it is as familiar as a daily commute.