Providence Plantation, 300 Textor Hill Road, Evans City, hosts a program called "Meet a French Soldier Who Witnessed Gen. Braddock's Defeat and Washington's Success" from 5 to 8 p.m. Saturday. Reservations are required. For admission and more information, call 724-538-8818 or visit the website, www.frontier-history.org.

Harmony Museum on Mercer Street in Harmony is open from 1 to 4 p.m. daily; closed Mondays and holidays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit the website, www.harmonymuseum.org.

<B>Pittsburgh Children's Museum,</B> 10 Children's Way, Allegheny Square, hosts the Irony City Improv Troupe, inspired by everyday life in Pittsburgh, from 1:30 to 3:30 p.m. Saturday. Raw Clay weekend activities will take place from noon to 4 p.m. Saturday and 1 to 4 p.m. Sunday. The exhibit "Yinz Play!" continues through June 6. Regular hours are 10 a.m. to 5 p.m. Mondays to Saturdays and noon to 5 p.m. Sundays, except holidays. Admission is $11 for adults; $10 for senior citizens older than 65 and children 2 to 18, and free for children younger than 2. Parking is $5 for nonmembers. Call 412-322-5058 or visit the website, www.pittsburghkids.org.<B>ToonSeum</B>, Pittsburgh's Museum of Cartoon Art at 945 Liberty Ave., hosts "The Art of AKIRA" from May 8 to July 18, about the film by Katsuhiro Otomo. This is billed as the largest collection of AKIRA production art ever displayed and was culled from more than 10,000 pieces of original production art from the private collection of guest curator Joe Peacock. An opening party will be held from 7 to 10 p.m. May 7. Tickets are $25 for nonmembers and free for ToonSeum members. Museum hours are 10 a.m. to 3 p.m. Wednesdays and Thursdays, 10 a.m. to 5 p.m. Fridays and Saturdays and 11 a.m. to 4 p.m. Sundays, except holidays. Admission is $4 for adults and $3 for children ages 5 to 17; children younger than 5 are admitted free. Visit the website, www.toonseum.org.<B>Heinz History Center</B>, 1212 Smallman St., continues through July 18 "Discover the Real George Washington: New Views from Mount Vernon," an exhibition from George Washington's Mount Vernon Estate & Gardens. The exhibit provides a new perspective on Washington, his achievements and legacies, his family, and his intellectual pursuits and entrepreneurial ventures. Visitors can view nearly 100 objects, including full-scale figures of Washington, architectural models, decorative and fine art items, maps, manuscripts and paintings. Center hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $10 for adults, $9 for senior citizens age 62 and older, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000.<B>Carnegie Science Center</B>, North Side, and the Southwest Pennsylvania Air Quality Partnership show ways to reduce pollution, conserve energy and improve health on Saturday. Visitors can play with recycling hula-hoops. make eco-art from the Sun, win prizes and learn simple ways to protect the environment. Admission to this event is free with general admission, which is $17.95 for adults and $9.95 for children ages 3 to 12; admission is discounted for senior citizens on Tuesdays. Parking is $5. Center 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. Call 412-237-3400 or visit the website, www.carnegiesciencecenter.org.<B>Carnegie Museum of Natural History</B>, 4400 Forbes Ave., Oakland, concludes the traveling exhibition "Whales/Tohora" on Sunday. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Closed major holidays. Admission, which includes the Carnegie Museum of Art, is $15 for adults, $12 for senior citizens, and $11 for students with ID and children ages 3 to 18, and free for members and children younger than 3. Call 412-622-3131 or visit the website, www.carnegiemnh.org.