Harmony Museum on Mercer Street in Harmony, offers regular guided tours from 1 to 4 p.m. daily except 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, hosts the Attack Theatre dance company for a movement workshop between dancers, families and works of art at 1:30 p.m. Saturday. "WE CAN! Martial Arts" is planned for 1:30 p.m. Sunday. Regular museum hours are 10 a.m. to 5 p.m. Mondays to Saturdays; and noon to 5 p.m. Sundays. Admission is $9 for children 2 to 18 and senior citizens and $10 for adults; children younger than 2 are admitted free. Call 412-322-5058 or visit the Web site, www.pittsburghkids.org.<B>National Aviary</B>, 700 Arch St., hosts FliteZone inside for a new show running from 11 a.m. to 1:30 p.m. Wednesdays through Sundays. Flamingos have been added to the spectacle. Regular hours are 10 a.m. to 5 p.m. daily. Regular admission is $10 for adults; $9 for senior citizens; $8.50 for children 2 to 12; and free for children younger than 2. Call 412-323-7235 or visit the Web site, www.aviary.org.<B>Phipps Conservatory and Botanical Gardens</B> in Schenley Park is open daily from 9:30 a.m. to 5 p.m. and until 10 p.m. on Fridays. Admission rates are $10 for adults, $9 for seniors 62 and older and students with ID, and $7 for children 2 to 18. Phipps members and children under 2 are admitted free. Call 412-622-6914 or visit www.phipps.conservatory.org.<B>Heinz History Center</B>, 1212 Smallman St., features its new exhibit, "Pittsburgh: A Tradition of Innovation," tracing Western Pennsylvania's imprint on the United States and the world. From the Meadowcroft Rockshelter in Avella 16,000 years ago to the roads, planes and houses of today, the long-term exhibition features people's stories. Hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $9 for adults, $7 for senior citizens older than 61, $5 for students with ID and for children 6 to 18, and free for children younger than 6. Call 412-454-6000.<B>Carnegie Science Center</B>, One Allegheny Ave. on the North Side, features ongoing displays including the Miniature Railroad & Village. Regular hours are 10 a.m. to 7 p.m. Fridays and Saturdays and from 10 a.m. to 5 p.m. Sundays through Thursdays; closed holidays. Regular admission is $14 for adults and $10 for senior citizens 62 and older and children 3 to 18. Parking is $3. Call 412-237-3400 or visit the Web site, www.carnegiesciencecenter.org.