The U.S. Army Corps of Engineers kick-off their summer programming season this holiday weekend. According to Park Ranger Tracy Spry, bird hikes will be offered at 7:00 p.m. today and Saturday. The group will meet tonight at the North Overlook Campground and the Wallashuck Campground Saturday night. Also, a wetland exploration is scheduled for 2:00 p.m. Saturday at North Overlook Campground.