COUNTY

Harmony 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.

REGION

Drake Well Museum, Titusville, will host the fourth annual Drake Day Circus from 10 a.m. to 4 p.m. Saturday. Admission is $12 for adults, $9 for senior citizens, and $5 for youths 3 to 11. The museum also features a new exhibit gallery on the birth of the oil and gas industry. Regular hours are 9 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays through December. Visit www.drakewell.org or call 814-827-2797.

PITTSBURGH

Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, will host family yoga classes Sept. 18 and Oct. 23. 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 students and $11 for children 2 to 18. Visit phipps.conservatory.org.

ToonSeum, a museum of cartoon art, 945 Liberty Ave., hosts work by editorial cartoonists through Sunday. Admission is $8 for those 13 and older and $4 for those 6 to 12. Visit toonseum.org.

Children’s Museum, Allegheny Square, hosts “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.

Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, hosts “50 Greatest Photographs of National Geographic” through Sept. 11. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Visit www.carnegiemnh.org.