COUNTY

Butler County Historical Society at the Senator Walter Lowrie House Museum, 123 W. Diamond St., has the ninth annual “Back When ...” calendar available at the museum, or online at www.butlerhistory.com. Cost is $10.

Harmony Museum, 218 Mercer St., offers tours from 1 to 4 p.m. daily, except when the museum is closed Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youths 6 to 17. Call 724-452-7341.

PITTSBURGH

Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, offers the Winter Flower Show and Garden Railroad plus Santa visits. Hours are 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 $11 for children 2 to 18. Visit phipps.conservatory.org.

Heinz History Center, 1212 Smallman St., will host Hop into History from 10:30 to 11:15 a.m. Wednesday free for children 5 and younger; adults pay regular admission of $16 Registration is required at www.heinzhistorycenter.org/events.

National Aviary, 700 Arch St., presents Brunch with Santa and a Holiday Bird Show at 9 and 11:30 a.m. Sunday. Cost is $45. Reservations are required. Call 412-258-9445. The Wings in Winter show continues through Jan. 2 between 11 a.m. and 1:30 p.m. daily. Tickets for Wings in Winter are $5 in addition to admission of $14 for adults and $13 for senior citizens and children 2 to 12. The aviary is open 10 a.m. to 5 p.m. daily. Visit www.aviary.org.

Children’s Museum, Allegheny Square, hosts “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit” through Jan. 17. 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.

Carnegie Science Center, North Side, in presenting the Miniature Railroad & Village. Center 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. Visit CarnegieScienceCenter.org.