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Maridon Museum, 322 N. McKean St., has in its collection Asian art and pieces of German Meissen porcelain. Gallery hours are 11 a.m. to 4 p.m. Wednesdays through Saturdays, except holidays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Guided tours are available with advanced notice for no extra charge. Call 724-282-0123 or visit maridon.org.

PITTSBURGH

Heinz History Center, 1212 Smallman St., hosts “A Very Merry Pittsburgh,” an exhibition featuring artifacts from Kaufmann’s/Macy’s department store, Christmas decorations, and historic toys spanning the 1940s to the 2000s, through Jan. 15. The center is open 10 a.m. to 5 p.m. daily, except holidays. Center admission is $16 for adults, $14 for senior citizens, and $6.50 for students and children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.

National Aviary, 700 Arch St., presents “Extraordinary Owls” into the spring. The aviary is open daily from 10 a.m. to 5 p.m., except closed Thanksgiving Day, Christmas Eve and Christmas Day. Admission is $14 for adults and $13 for senior citizens and children ages 2 to 12. Some activities cost extra. Call 412-323-7235 or visit www.aviary.org.

Children’s Museum, Allegheny Square, hosts the collection of new or gently used sweaters of all sizes through Dec. 15 for the Mister Rogers’ Neighborhood Sweater Drive. The exhibit “Tough Art” continues through Jan. 21. Hours are 10 a.m. to 5 p.m. daily, except holidays. The museum will be closed Thanksgiving Day, but have extended hours of 9 a.m. to 5 p.m. Friday. Admission is $16 for adults and $14 for children ages 2 to 18 and senior citizens. Children younger than 2 are admitted free. Call 412-322-5058 or visit www.pittsburghkids.org.

Carnegie Science Center, North Side, has reopened the Miniature Railroad and Village with the addition of a model of a Primanti Bros. shop. The center will close at 4 p.m. Sunday and Dec. 10 and will be closed Thursday and Dec. 17, 25 and 31. Hours for fall and winter are 10 a.m. to 5 p.m. daily. Admission is $18.95 for adults and $11.95 for children ages 3 to 12; films are extra. Call 412-237-3400 or visit CarnegieScienceCenter.org.