Meadowcroft Rockshelter and Historic Village in Ambridge offers an insider's tour of the rockshelter on Saturday. Registration is required. Call 724-266-4500.

<B>Heinz History Center</B>, 1212 Smallman St., is showing ”Vatican Splendors: A Journey through Faith and Art” containing original works by Michelangelo, Bernini and Giotto in the largest Vatican exhibit ever to visit North America through Jan. 9. Nearly 200 rare pieces of art and historical objects from the Vatican are shown along with a special collection of Western Pennsylvania religious artifacts. Tickets are $20 for adults, $17 for senior citizens and students with college ID, and $13 for children ages 6 to 13: children age 5 and younger are admitted free. Tickets are available online at www.ticketmaster.com, or by calling 888-588-4226. The center is open daily from 10 a.m. to 5 p.m. Visit www.heinzhistorycenter.org.<B>National Aviary</B>, 700 Arch St., continues “Wings!” in the Helen M. Schmidt FliteZone Theater. Shows begin at 11 a.m. and 1:30 p.m. daily. Admission is $12 for adults, $11 for senior citizens, $9.50 for children ages 2 to 12, and free for those younger than 2. Winter hours begin Friday and are 10 a.m. to 5 p.m. Call 412-323-7235 or visit www.aviary.org.<B>ToonSeum</B>, Pittsburgh’s Museum of Cartoon Art, 945 Liberty Ave., features “The Art of Caroll Spinney,” a new exhibit that explores the life one of the world’s best-loved puppeteers through his original paintings and sketches, through Jan. 30. Spinney is best known for his portrayal of Oscar the Grouch and Big Bird on “Sesame Street.”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. Admission is free for veterans for the month of November. Regular admission is $4 for adults and $3 for children ages 5 to 17; children younger than 5 are admitted free. Visit www.toonseum.org.<B>Children’s Museum</B>, 10 Children’s Way, Allegheny Square, features “Tough Art,” four interactive artworks tough enough to withstand handling by youngsters, through Jan. 16. Museum hours are from 10 a.m. to 5 p.m. Mondays to Saturdays; and noon to 5 p.m. Sundays. Admission is $11 for adults; $10 for senior citizens older than 65 and children ages 2 to 18, and free for children younger than 2. Parking is $5 for nonmembers. Call 412-322-5058 or visit www.pittsburghkids.org.<B>Carnegie Science Center, </B>North Side, is hosting SciTech Days through Friday, featuring dozens of programs and workshops, offerings for gifted and advanced students, and a myriad of opportunities to interact with professionals in the fields of biotech, nanotech, infotech, engineering, environmental technology, advanced materials, and robotics. Call 412-237-3400.