Harmony Museum on Mercer Street in Harmony is open from 1 to 4 p.m. daily; closed Mondays and holidays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit the Web site, www.harmonymuseum.org.

<B>Pittsburgh Children's Museum</B>, 10 Children's Way, Allegheny Square, presents the annual Father Daughter Dinner Dance for members from 6 to 8:30 p.m. Sunday. Tickets are $25 for adults and $20 for children; call 412-586-6032. The "Yinz Play!" exhibit continues through June 6. Celebrate all things Pittsburgh in this interactive exhibit where visitors can play with Pittsburghese, repair one of its renowned bridges, design your own fireworks display, or help build a large-scale model of the city. Children's Museum is open from 10 a.m. to 5 p.m. Mondays to Saturdays; and noon to 5 p.m. Sundays, except holidays. Admission is $11 for adults; $10 for senior citizens and children ages 2 to 18, and free for children younger than 2. Parking is $5 for nonmembers. Call 412-322-5058 or visit the Web site, www.pittsburghkids.org.<B>National Aviary</B>, 700 Arch St., will offer a Pet Parrot Workshop, 10 a.m. to noon Feb. 20. Winter hours from 10 a.m. to 5 p.m. Mondays through Saturdays and noon to 5 p.m. Sundays. Admission is $10 for adults; $9 for senior citizens; $8.50 for children ages 2 to 12; and free for children younger than 2. Call 412-323-7235 or visit the Web site, www.aviary.org.<B>Heinz History Center</B>, 1212 Smallman St., continues "Pittsburgh: A Tradition of Innovation" celebrating Pittsburgh's impact on the world over the past 250 years, and "Behind the Scenes with the Pittsburgh Steelers: Photographs by Mike Fabus" plus "Forbes Field: A Century of Memories." History Center hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $10 for adults, $9 for senior citizens age 62 and older, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000.<B>Carnegie Museum of Natural History</B>, 4400 Forbes Ave. in Oakland, continues the traveling exhibition "Whales/Tohora," an interactive exhibit, through May 2. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Admission, which includes the Carnegie Museum of Art, is $15 for adults, $12 for senior citizens, and $11 for students and children age 3 and older, and free for members and children younger than 3. Call 412-622-3131.