Badlands National Park is full of geological oddities, but the 1.5-mile-round-trip Notch Trail is one of the best treks in the South Dakota park. There's something distinctly eerie about the Badlands.

There are also many other state and national park sites nearby — like Custer State Park and Badlands National Park — that, in my opinion, are more impressive above ground. 57. Congaree ...

Badlands National Park is a vast wilderness of jagged buttes, spires and pinnacles, mixed-grass prairies, and the world’s richest trove of fossils from the Oligocene epoch, estimated at 23 to 35 ...

Nowhere on Earth is as rich in quantity and quality of the prehistoric creatures' remains as the Badlands' arid Dinosaur Provincial Park, a UNESCO World Heritage site where digs are still under way.