Harmony Museum, 218 Mercer St., Harmony, will have its WeihnachtsMarkt German-style Christmas market Saturday and Sunday. Presenters include 50 artisans and specialty vendors, museum quilters and weavers, and musical groups. Additional attractions are food sellers, children's activities at a log house, the museum's model railroad displays, and horse-drawn wagon rides. Those attending are encouraged to take nonperishable food items for donation to a local food bank. Hours will be 11 a.m. to 6 p.m. Saturday and 11 a.m. to 4 p.m. Sunday. Admission is $7 for adults, $5 for senior citizens, $3 for students, and free for children younger than 6.

Drake Well Museum, 202 Museum Lane, Titusville, presents a lecture on “You Can Come Home Again: Two Centuries of the Appalachian Natural Gas Rush” by author and historian David Waples at 7 p.m. today. Admission is $5 for those ages 12 to 64 and $4 for senior citizens. Call 814-827-2797 or visit drakewell.org.

Phipps Conservatory and Botanical Gardens, 1 Schenley Park, presents the fall flower show through Sunday. For Pittsburgh’s Light Up Night, Phipps and the Pittsburgh Ballet Theatre will combine two traditions at 6 and 7:30 p.m. Nov. 22 for Poinsettias and Pointe Shoes — which will bring vignettes of the “The Nutcracker” ballet to Phipps’ glasshouse in Oakland. Cost is $25.75 for adults and $12.75 for children. Reservations are required at www.pbt.org/events or by calling 412-454-9107. 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.Heinz History Center, 1212 Smallman St., hosts “Poptastic!” focusing on Pittsburgh artist Burton Morris and more than 100 original works of art through Feb. 23. “Pennsylvania’s Civil War” continues through Jan. 5. Center admission is $15 for adults, $13 for senior citizens, and $6 for children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.National Aviary, 700 Arch St., hosts the interactive free-flight show “Beaks!” daily at 11 a.m. and 3 p.m. 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., celebrates the 40th anniversary of “Hagar the Horrible” through Dec. 1. 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, hosts TapeScape, a massive indoor landscape made of 360 rolls (that’s 22 miles) of packing tape through Jan. 19. “Tough Art” continues 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. Call 412-322-5058 or visit www.pittsburghkids.org.