There's beauty all around, and lots of trails to hike and bike, but don't be fooled -- this was once a hideout for the Wild West's most infamous villains.

Robbers Cave features nine other trails in addition to its namesake, ranging from easy strolls to more challenging treks. The Mountain Trail is the park’s longest route, a six-mile out-and-back climb ...

Tulsa World's Daniel Shular visited the Black Mesa Trail, Wichita Mountains Wildlife Refuge, Robbers Cave, Keystone Ancient Forest and the Ouachita Trail for this photo essay.