Maridon Museum, 322 N. McKean St., will host a Harvest Moon Festival on Sept. 22, featuring rat-pack style performer Michael Carluccio, at the Butler Country Club in Penn Township. The museum is open from 11 a.m. to 4 p.m. Wednesdays through Saturdays, except holidays, Museum admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Guided tours are available with advanced notice for no extra charge. Call 724-282-0123 or visit www.maridon.org.

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.

Children’s Museum, 10 Children’s Way, Allegheny Square, will have a photo op and meet Curious George events on Friday, Saturday and Sunday at 12:30 and 1:30 p.m., free with museum admission. Regular museum hours are 10 a.m. to 5 p.m. daily, except holidays. 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., presents “The Vietnam War: 1945-1975” exhibition through Sept. 22. 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.Carnegie Museums of Natural History and Art, 4400 Forbes Ave. in Oakland, offer free admission to active U.S. military personnel with up to four guests, as part of the Blue Star Museums program, which extends until Labor Day.Carnegie Science Center on the North Side features “Da Vinci The Exhibition” through Sept. 2 (this exhibit has its own admission price). Beginning Sept. 3, the Science Center will be closed to the public every Tuesday from the day after Labor Day 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.