WALL, S.D.-Visiting Badlands National Park is like taking a science class. Even a glancing look at the eroded buttes, pinnacles and spires in the 244,000-acre park shows horizontal bands throughout ...

It's often called the Badlands' twin, where wind and rain carved an alien landscape of sandstone and canyons, while dinosaur fossils hide beneath the soil as if they're buried icons of the past.

All at once, we noticed the teeth — a whole row of them, big, gray and pointed. During several days of hiking at Badlands National Park, our girls had been determined to spot a fossil, stopping to ...