Parks plan Jan. programsJennings Environmental Education Center and Moraine State Park have planned activities for early in the New Year.JenningsFirst Day Hike: Jan. 1 from 1 to 3 p.m.Winter Trails Day Snowshoe Clinic: Jan. 9 from 10 a.m. to 1 p.m. (registration required by Jan. 6)Prairie Improvement Day: Jan. 16 from 9 a.m. 1 p.m. (registration required by Jan. 8)Scout Stewards: Prairie Improvement Day: Jan. 17 from 9 a.m. to noonMoraine State ParkFirst Day Hike: Jan. 1 from 1 to 3:30 p.m., bike rental parking lot, North ShoreCross Country Ski Workshop: Jan. 9 from 1 to 3 p.m., Pleasant Valley Day Use Area, South Shore (registration required)Winterfest 5K Run/Walk: Jan. 16 with 9 a.m. registration at Pavilion 7, McDanel’s Launch, North ShoreWinterfest: Jan. 16 from noon to 4 p.m. at McDanel’s Launch

Museum has holiday hoursPITTSBURGH — The Pittsburgh Children’s Museum will have extended hours over the holidays.The museum will be open from 9 a.m. to 5 p.m. Saturday through Dec. 31.Countdown to Noon activities will be from 11:30 a.m. to 2:30 p.m. Dec. 31.Museum admission is $13 for children ages 2 to 18 and senior citizens and $14 for adults; children younger than 2 are admitted free.More information about the museum at 10 Children’s Way is available by calling 412-322-5058 or visiting pittsburghkids.org.

History Center extends exhibitPITTSBURGH — The Senator John Heinz History Center has extended the “We Can Do It!” World War II exhibit through Jan. 10.The display, which explores Western Pennsylvania’s impact on the home, industrial and battle fronts during World War II, includes information about the jeep produced by the American Bantam Car Co. in Butler.The History Center will offer extended hours until 8 p.m. from Monday to Wednesday and Jan. 4 to 10.Admission is $16 for adults, $14 for senior citizens age 62 and older, $6.50 for students and children ages 6 to 17, and free for children age 5 and younger.More information about the center at 1212 Smallman St. is available at heinzhistorycenter.org.

Mess Fest set for Jan. 1PITTSBURGH — Carnegie Science Center will host Mess Fest on Jan. 1.Participants can ring in the New Year with globs of oobleck, pie-eating races, finger painting and slime.Activities are free with regular admission, which is $18.95 for adults and $11.95 for children ages 3 to 12.Mess Fest hours are from 10 a.m. to 5 p.m. Jan. 1.The Science Center has holidays hours from 10 a.m. to 7 p.m. Saturday through Wednesday and from 10 a.m. to 4 p.m. Dec. 31.The center will be closed Jan. 4.Call 412-237-3400 or visit CarnegieScienceCenter.org.