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

National Aviary, 700 Arch St., hosts Eggstravaganza from 11 a.m. to 3 p.m. April 8, 9, 14, 15 and 16 and World Penguin Day on April 25. Activities are included with admission of $14 for adults and $13 for senior citizens and students. Call 412-323-7235 or visit nationalaviary.org.

Heinz History Center, 1212 Smallman St., is showing “#Pixburgh: A Photographic Experience,” through Aug. 20. 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 “Measurement Rules” through May 7 and Ice Station Zebra through May 28. The museum is open 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, 4400 Forbes Ave., is showing “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.