When you go on a wild cave tour at Mammoth Cave National Park, shimmying around on your hands and knees, you'd never think to watch for sharks. Nor when you explore Petrified Forest National Park and marveled at the rock-solid slabs of wood, you won't sense a need to watch for any burrowing reptiles. But, as it turns out, those creatures did live in those landscapes...once upon a time.

Continuing a series of national parks quizzes and trivia, contributing editor Rebecca Latson wants you to try your hand at Quiz #3 to see just how much park knowledge you possess before checking the answers at the bottom of the article.

A project to rebuild the Green River Ferry ramp at Mammoth Cave National Park in Kentucky is taking longer to accomplish than anticipated, which means the service won't return until spring.

It's been nearly 14 years since "white-nose syndrome," named for a white powder-looking fungus found on the nose of bats, was first identified on a bat in New York. Since then the disease has moved westward, leaving millions of dead bats in its wake. At Mammoth Cave National Park in Kentucky, the disease is blamed for the loss of 75-80 percent of Tri-colored bats there.