COUNTY

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

Heinz History Center, 1212 Smallman St., is showing “#Pixburgh: A Photographic Experience,” featuring the museum’s photograph collection. Hours are 10 a.m. to 5 p.m. daily. Admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Visit www.heinzhistorycenter.org.

Children’s Museum, Allegheny Square, presents “Hervé Tullet’s Art Explosion: Pittsburgh” through Feb. 26. 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 Museum of Natural History, Oakland, is presenting “Amazing Butterflies” through April 23. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Visit www.carnegiemnh.org.