Harmony Museum, Mercer Street, Harmony, offers tours from 1 to 4 p.m. daily except Mondays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822.

Meadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road, Avella, hosts a cooking demonstration “Beyond the Big House Kitchen: A Culinary History of American Slavery” from 11 a.m. to 2 p.m. Saturday. Admission is $10 for adults, $9 for senior citizens, $5 for students with ID and for children ages 6 to 17, and free for children younger than 5. Call 724-587-3412.

Phipps Conservatory and Botanical Gardens at One Schenley Park presents its summer flower show “Fountains of Youth” through Sept. 30. Phipps is open daily from 9:30 a.m. to 5 p.m. and until 10 p.m. Fridays. Admission is $12 for adults; $11 for senior citizens and students with ID; $9 for children ages 2 to 18; and free for children younger than 2. Call 412-622-6914 or visit phipps.conservatory.org.Children’s Museum, 10 Children’s Way, Allegheny Square, presents “The Wizard of Oz Children’s Educational Exhibition” through Sept. 2. Hours are 10 a.m. to 5 p.m. daily. Admission is $13 for adults, $12 for children ages 2 to 18 and senior citizens, and free for children younger than 2. Call 412-322-5058.Carnegie Science Center, North Side, continues to present acoustic musical performances in association with the exhibit “Guitar: The Instrument That Rocked the World.” Performing from 2 to 3 p.m. Saturday will be Josh Verbanets from Meeting of Important People. Call 412-237-1637. Admission is $17.95 for adults and $11.95 for children ages 3 to 12. Most activities are included, but some, like Omnimax films, cost extra. Call 412-237-3400.