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Harmony Museum, 218 Mercer St., Harmony, has tours that 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, from 1 to 4 p.m. daily, except when the museum is closed Mondays and holidays. 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.

PITTSBURGH

Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, hosts free yoga on the front lawn at 9 a.m. Sunday. Family yoga classes also will be on Sept. 18 and Oct. 23. Phipps is open from 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students and $11 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.

National Aviary, 700 Arch St., presents the interactive, walk-through Butterfly Garden featuring a variety of native butterfly species in the outdoor Rose Garden daily from 11 a.m. to 4 p.m. through mid-September, weather permitting. The Butterfly Garden is included with general admission, which is $14 for adults and $13 for senior citizens age 60 and older and children ages 2 to 12. Visit aviary.org or call 412-323-7235.

ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., hosts work by the nation’s leading editorial cartoonists through Aug. 28. Museum hours are 10:30 a.m. to 3:30 p.m. Mondays, Wednesdays and Thursdays, 10:30 a.m. to 7 p.m. Fridays, 10:30 a.m. to 5 p.m. Saturdays and 11 a.m. to 5 p.m. Sundays; closed Tuesdays and major holidays. Admission is $8 for those age 13 and older and $4 for children ages 6 to 12. Call 412-232-0199 or visit toonseum.org.

Children’s Museum, 10 Children’s Way, Allegheny Square, hosts “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit” through Jan. 17. The Children’s Museum is open 10 a.m. to 5 p.m. daily. Museum admission is $16 for adults and $14 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.

Carnegie Museum of Natural History, 4400 Forbes Ave. in Oakland, hosts the traveling exhibition “50 Greatest Photographs of National Geographic,” which showcases some of the magazine’s most compelling photographs, from Steve McCurry’s Afghan girl to Michael Nichols’ iconic image of Jane Goodall, through Sept. 11. The Carnegie Museums of Natural History and Art, 4400 Forbes Ave., are open 10 a.m. to 5 p.m. Mondays and Wednesdays through Saturdays with extended hours until 8 p.m. Thursdays and from noon to 5 p.m. Sundays. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Visit www.carnegiemnh.org.

Carnegie Science Center next to Heinz Field on the North Side, hosts Olympic Science Weekend activities on Saturday and Sunday. Baseball-themed activities also are available this summer. Admission to the Science Center is $18.95 for adults and $11.95 for children ages 3 to 12. Call 412-237-3400 or visit CarnegieScienceCenter.org. Science Center hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Call 412-237-3400 or visit CarnegieScienceCenter.org. The Science Center will be closing at 4 p.m. today and will be closed Saturday until 1 p.m.