COUNTY

Harmony Museum, 218 Mercer St., will host its largest annual event, the WeihnachtsMarkt German-style Christmas Market, from 11 a.m. to 6 p.m. Saturday and noon to 4 p.m. Sunday. The fundraiser features jury-selected artisanal vendors, German entertainment, food and refreshments. Admission is $7 for adults, $5 for senior citizens, $3 for students, and free for children younger than 6, and provides all-day access to the market, entertainment, the museum, and horse-drawn wagon rides in the historic district. Proceeds support museum operations. Call 724-452-7341.

PITTSBURGH

Carnegie Science Center, North Side, presents the new permanent exhibit BodyWorks. The exhibit examines the body’s muscles and bones, heart and lungs, etc. Admission is $18.95 for adults and $11.95 for children 3 to 12. Hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. The center is typically closed on days when there are Steelers home games. Visit CarnegieScienceCenter.org.

Children’s Museum, Allegheny Square, presents “Tough Art,” and “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit.” Hours are 10 a.m. to 5 p.m. daily. Admission is $16 for adults and $14 for children 2 to 18 and senior citizens. Visit www.pittsburghkids.org.

National Aviary, 700 Arch St., is open 10 a.m. to 5 p.m. daily. Admission is $14 for adults and $13 for senior citizens and children ages 2 to 12; shows are extra. Visit www.aviary.org.

Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, is open 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students and $11 for children 2 to 18. Visit phipps.conservatory.org.