COUNTY

Harmony Museum, 218 Mercer St., Harmony, hosts 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 ages 6 to 17. Call 724-452-7341.

PITTSBURGH

Carnegie Science Center, North Side, hosts Engineer the Future on Friday and Saturday, with presentations, hands-on activities, and science demonstrations designed to inspire young people to explore engineering. The “Blue!” exhibit has moved to the fourth floor, making way for the newest exhibit, “H2Oh!,” which will open Feb. 28. Center hours are 10 a.m. to 5 p.m. Sundays through Fridays and 10 a.m. to 7 p.m. Saturdays. General admission is $18.95 for adults and $11.95 for children ages 3 to 12. Visit CarnegieScienceCenter.org.

Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, has opened the Tropical Forest Congo exhibit. The annual Orchid and Tropical Bonsai Show continues through March 1. The Spring Flower Show is scheduled for March 14 to April 12. Hours are 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Admission is $15 for adults; $14 for students and senior citizens; and $11 for children ages 2 to 18. Call 412-622-6914.

Heinz History Center, 1212 Smallman St., in honor of Black History Month, is recognizing African American heritage with a variety of exhibitions, public programs and publications, in addition to the “From Slavery to Freedom” exhibition. The largest public display of original items from the “Mister Rogers’ Neighborhood” television set continues in the fourth floor Special Collections Gallery. Center admission is $15 for adults, $13 for senior citizens, and $6 for students. Visit www.heinzhistorycenter.org.

Children’s Museum, Allegheny Square, hosts the exhibit “Bounce: Inspired by the World’s Most Amazing Ball!” through March 8. Admission is $14 for adults and $13 for children ages 2 to 18 and senior citizens. Hours are 10 a.m. to 5 p.m. daily. Visit www.pittsburghkids.org.