The Old Stone House at the intersection of Routes 8, 173 and 528, in Brady Township, will host a Tavern Day from noon to 5 p.m. Saturday. There will be cooking demonstrations and food samples. Beginning at 10 a.m., there will be opportunities to tour the Old Stone House, a 19th-century stagecoach inn. The suggested donation is $3 per person or $5 per family.

Harmony Museum at 218 Mercer St., Harmony, offers guided tours from 1 to 4 p.m. daily except Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youth ages 6 to 17. Call 724-452-7341 or visit www.harmonymuseum.org.

Meadowcroft Rockshelter and Historic Village in Avella, Washington County, hosts its 15th annual Atlatl competition in which visitors can try their hand at using a spear-thrower used by prehistoric hunters, from noon to 5 p.m. Saturday. Admission is $12 for adults, $11 for senior citizens, $6 for students and children 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 butterfly forest continues through Sept. 2, and the summer flower show: Glass in the Gardens, runs through Oct. 6. Conservatory hours are 9:30 a.m. to 5 p.m. daily and until 10 p.m. on 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., has opened “Talons!” a new, interactive, free-flight show featuring birds of prey showing daily at noon and 2:30 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. Call 412-323-7235 or visit www.aviary.org.Fort Pitt Museum in Point State Park will host Summer Saturdays at the Fort, which is included in the regular admission of $6 for adults, $5 for senior citizens, and $3 for children ages 6 to 17, students and the military. Call 412-454-6415 or visit www.heinzhistorycenter.org.Children’s Museum, 10 Children’s Way, Allegheny Square, is showing “Adventures with Clifford the Big Red Dog.” 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.ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., is exhibiting seven decades’ worth of original art from cartooning’s highest honor, The Reuben Award, through Aug. 11. Rare works from artists such as Gary Larson of The Far Side, Charles M. Schulz of Peanuts, and many more are displayed. 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.Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, has opened Discovery Basecamp. This new gallery is devoted to hands-on, interactive learning. More than 60 fine art jewelry pieces inspired by nature are on display in “Garden of Light: Works by Paula Crevoshay” through Aug. 11. 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 $10 per adult/senior citizen and $5 per student/child. Call 412-622-3131 or visit www.carnegiemnh.org.