COUNTY

Harmony Museum, 218 Mercer St., Harmony, 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.

PITTSBURGH

Heinz History Center, 1212 Smallman St., will host its fifth annual Vintage Pittsburgh vendor fair from 10 a.m. to 3 p.m. Saturday. The center has received from Alba and Thomas Tull the donation of Bill Mazeroski’s iconic uniform and bat from Game 7 of the 1960 World Series. The exhibit “#Pixburgh: A Photographic Experience,” continues through Aug. 20. The center is open 10 a.m. to 5 p.m. daily. Admission is $16 for adults, $14 for senior citizens, and $6.50 for students and children 6 to 17. Visit www.heinzhistorycenter.org.

Carnegie Museum of Natural History, 4400 Forbes Ave., concludes “Amazing Butterflies” on Sunday. Hours are 10 a.m. to 5 p.m. Mondays and Wednesdays through Saturdays with extended hours until 8 p.m. Thursdays and from noon to 5 p.m. Sundays; closed Tuesdays. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Visit www.carnegiemnh.org.

Children’s Museum, Allegheny Square, presents “Measurement Rules” through May 7 and Ice Station Zebra through May 28. 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.