Harmony Museum, 218 Mercer St., Harmony, tours include the 1809 main museum building and wine cellar and a neighboring early 19th century house, both built by the communal Harmony Society, and a Mennonite log house, offered from 1 to 4 p.m. daily, except when the museum is closed Mondays and major holidays. Museum admission is $7 for adults, $6 for senior citizens age 60 and older, and $3 for youths ages 6 to 17. Call 724-452-7341.

Meadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road, Avella, Washington County, part of the Smithsonian-affiliated Senator John Heinz History Center museum system, plans a Frontier Heritage Weekend for Sept. 28 and 29 from 10 a.m. to 5 p.m. each day. Visitors can get an up-close look at the daily lives of 18th-century frontier tradesmen and discover the skills necessary to survive in the Western Pennsylvania wilderness.Demonstrations will include black powder firearms, carpentry, open-hearth cooking and land surveying techniques. Activities are included with regular Meadowcroft admission: $15 for adults, $14 for senior citizens, and $7 for students and children ages 6 to 17. Visit www.heinzhistorycenter.org/meadowcroft or call 724-587-3412.

Children’s Museum, 10 Children’s Way, Allegheny Square, has opened the 13th annual “Tough Art” exhibition. “XOXO: An Exhibit About Love and Forgiveness” opens Sept. 28. The Children’s Museum is open 10 a.m. to 5 p.m. daily, except holidays. Admission will be free on Sept. 29. Regular admission is $18 for adults and $16 for children ages 2 to 18 and senior citizens. Children younger than 2 are admitted free. Call 412-322-5058 or visit www.pittsburghkids.org.Phipps Conservatory and Botanical Gardens, continues the Summer Flower Show “Van Gogh in Bloom” through Oct. 6. Phipps is open from 9:30 a.m. to 5 p.m. daily. Admission is $17.95 for adults, $16.95 for senior citizens age 62 and older and students, and $11.95 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.Heinz History Center, 1212 Smallman St., concludes the exhibition “The Vietnam War: 1945 to 1975” on Sunday. History center hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $18 for adults, $15 for senior citizens age 62 and older, $9 for students and children age 6 to 17, and free for children age 5 and younger. Active duty and retired military receive $2 off admission. Call 412-454-6000.National Aviary, 700 Arch St., has welcomed a baby grey crowned crane. A Living Dinosaurs exhibit runs through Sept. 29. Regular admission is $17 for adults and $16 for senior citizens and children ages 2 to 12. The aviary is open daily from 10 a.m. to 5 p.m. Call 412-323-7235 or visit www.aviary.org.Carnegie Science Center on the North Side will host “Mummies of the World: The Exhibition” featuring 125 real mummies and related artifacts from across the globe, starting Oct. 5. The Science Center will be closed to the public every Tuesday through the last Tuesday in April, except for Dec. 31 and April 7. Science center hours are 10 a.m. to 5 p.m. General admission is $19.95 for adults, $14.95 for senior citizens and $11.95 for children; some activities are extra. Call 412-237-3400 or visit CarnegieScienceCenter.org.