COUNTYHarmony Museum, 218 Mercer St., has 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.

REGIONDrake Well Museum, Titusville, features a new gallery on the birth of the oil and gas industry. Hours are 9 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays. Admission is $10 for adults, $8 for senior citizens, and $5 for children 3 to 11. Active military and their families are admitted free. Visit www.drakewell.org or call 814-827-2797.

PITTSBURGHHeinz History Center, 1212 Smallman St., will host the third annual Italian Heritage Day from 10 a.m. to 3 p.m. Sunday. Center admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Hours are 10 a.m. to 5 p.m. daily. Visit www.heinzhistorycenter.org.Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, will host a family yoga class on Oct. 23. Phipps is open from 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.National Aviary, 700 Arch St., will host Owl-o-ween activities from 11 a.m. to 3 p.m. Oct. 22 and 29, included with admission of $14 for adults and $13 for senior citizens and children 2 to 12. Visit aviary.org.Children’s Museum, 10 Children’s Way, Allegheny Square, has opened “Tough Art.” “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit” continues through Jan. 17. 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.