Cruises aboard Nautical Nature, a 37-passenger enclosed pontoon boat, include a 90-minute narrated tour of Lake Arthur, as sponsored by the Moraine Preservation Fund. Cruises take place through Nov. 2. Cruises begin at 1 and 3 p.m. Saturdays and Sundays. Tickets for adults are $11 online and $12 at the gate, for senior citizens, $9 and $10, and for children, $5 and $6. Children under age 2 are free, and all children younger than 12 must be supervised. Call 724-368-9185 or visit www.moraine preservationfund.org.

Moraine State Park has family fishing programs at 1 p.m. July 12 and 26. Call 724-368-3612. Families must register at www.visitPAparks.com or by calling 724-368-3612.

An antiques and artisans festival is planned for Saturday and Sunday at Whispering Pines Farm, 201 Winsome Lane, Cabot. Hours are 9 a.m. to 5 p.m. Saturday and 9 a.m. to 4 p.m. Sunday. Admission is $5; children 12 and younger are admitted free. Call 724-568-7463.

A free Outdoor Discovery series, hosted by Butler County Parks and Recreation Department, will feature a program by Playthings Etc. at 6:30 p.m. today at the Carousel Shelter at Alameda Park. Admission is free. Call 724-284-5383. The program June 26 is “The Ins and Outs of Composting.”

Jennings Environmental Education Center, Route 528, Brady Township, will Celebrate the Bloom!, a day of free activities from 9 a.m. to 7 p.m. July 19. Activities will include prairie tours and other nature explorations, demonstrations, food, artisans and musical guests. New this year is a program featuring live reptiles and amphibians of the prairie with naturalist April Claus. Call 724-794-6011.

McConnells Mill State Park, Slippery Rock Township, Lawrence County, will host “A Taste of History: Dutch Oven Cooking Demonstrations” from noon to 3 p.m. July 13, Aug. 10 and Sept. 14. The gristmill is open 11 a.m. to 4 p.m. Fridays, Saturdays and Sundays.