A free Outdoor Discovery series, hosted by Butler County Parks and Recreation Department, concludes with “Going Batty” by the Jennings Environmental Education Center at 7 p.m. today in the Carousel Shelter at Alameda Park, off New Castle Road. Call 724-284-5383.

Moraine State Park will be the site of free kayak programs called a Silver Paddle from 9 to 11 a.m. Tuesday and an Evening Paddle from 6 to 8 p.m. Wednesday. These programs are free. Call 724-368-8811.

Moraine Preservation Fund conducts summer cruises on its Nautical Nature pontoon boat from 1 to 3 p.m. Saturdays and Sundays through Oct. 28. There also are Wednesday Night Pizza Cruises that begin at 5 p.m. Fees are involved. Call 724-368-9185 or 724-368-8811 for reservations.

McConnells Mill State Park in Slippery Rock Township, just over the county line into Lawrence County off Route 422, will be the site of Art in the Park from 1 to 3 p.m. Sunday. A Taste of History: Dutch Oven Cooking is planned for noon to 4 p.m. Sunday and Sept. 16 in the gristmill courtyard. Historic Bread Baking class will take place from 10 a.m. to 3 p.m. Aug. 25 and Sept. 22. Register by calling 724-368-8811. The historic gristmill is open from 11 a.m. to 4 p.m. Saturdays and Sundays through October. Admission and parking are free.