Harmony Museum will present the 40th annual conference of the Communal Studies Association (CSA) today through Saturday at Harmony and Ambridge, the first and final homes respectively of the Harmony Society of Lutheran Separatists from Germany. Call 724-452-7341 or visit www.harmonymuseum.org.

Heinz History Center, 1212 Smallman St., celebrates the Pittsburgh Pirates’ season by offering a buy one, get one free admission for any visitor wearing Pirates apparel now through the end of the team’s playoff run. “Poptastic!” focusing on Pittsburgh artist Burton Morris, features more than 100 original works of art through Feb. 23 and is included with regular history center admission of $15 for adults, $13 for senior citizens, and $6 for students and children ages 6 to 17. “Pennsylvania’s Civil War” continues through Jan. 5. Call 412-454-6000 or visit www.heinzhistorycenter.org.Phipps Conservatory and Botanical Gardens, 1 Schenley Park, hosts Farmers at Phipps from 2:30 to 6:30 p.m. Wednesdays through the last week of October. The summer flower show concludes Sunday. Conservatory hours are 9:30 a.m. to 5 p.m. daily and until 10 p.m. Fridays. Conservatory 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., hosts the show “Beaks!” daily at 11 a.m. and 3 p.m. through Jan. 1. The show features hyacinth and scarlet macaws, a flamingo, a southern ground hornbill and a trumpeter hornbill. The show is $5 in addition to the regular cost of admission, which is $13 for adults, $12 for senior citizens, $11 for children ages 2 to 18, and free for children younger than 2. Aviary hours are 10 a.m. to 5 p.m. daily. Call 412-323-7235 or visit www.aviary.org.ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., is showcasing original animation art, comic art and artifacts of some of cartooning’s most iconic ducks — from Donald to Daffy and Baby Huey to Quackula — in “Duck!” through Oct. 20. Museum hours are 10 a.m. to 3 p.m. Mondays, Wednesdays, Thursdays and Sundays and 10 a.m. to 5 p.m. Fridays and Saturdays. Admission is $1 for children ages 6 to 12 and $5 for adults. Call 412-232-0199 or visit www.toonseum.org.Children’s Museum, 10 Children’s Way, Allegheny Square, is showing “Tough Art” through Dec. 31. 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 or visit www.pittsburghkids.org.Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, presents “Roads of Arabia: Archaeology and History of the Kingdom of Saudi Arabia” through Nov. 3. Museum hours are 10 a.m. to 5 p.m. Tuesdays to Saturdays, with extended hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Admission is $17.95 for adults, $14.95 for senior citizens, and $11.95 for students and children ages 3 to 18. Admission after 4 p.m. on Thursdays is discounted. Call 412-622-3131 or visit www.carnegiemnh.org.