Charlestown, Ind. should be at the top of your list of places to go if you like outdoor recreation. 

Explore Charlestown State Park, one of Indiana's newest and largest parks, Charlestown State Park has interpretive programs, hiking, camping, and a boat launch on the Ohio River. Enjoy the scenic outdoors with miles of trails and views along the Ohio River and Fourteen Mile Creek.

On top of that, the park is home to the remains of Rose Island, a once-thriving amusement park that you can still explore to this day. 

Visit Website