Providence Plantation, a center for living history presentations about 18th century frontier life at 300 Textor Hill Road, Evans City, will host “AWalk with George Washington: 1753,” a presentation on dispelling local myths about the path and the Murdering Town site,from 9 a.m. to noon Saturday. This event is limited to the first 100 reservations, and the cost is a donation. Call 724-538-8818 or visit the website, www.frontier-history.org.

Harmony Museum on Mercer Street in Harmony features the Yobp-Eckstein village and train-trolley display in the Wagner House annex during regular guided museum tours, which are 1 to 4 p.m. daily except Mondays and holidays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit www.harmonymuseum.org.

<B>Christmas at the Village </B>will take place from 2 to 9 p.m. Saturday at Old Economy Village, 270 16th St., Ambridge. A Christmas market will sell handmade items such as toys, jewelry, ornaments, pottery, rag rugs, art work, jellies and jams, candles and candle holders, honey, tatted linens, naturally dyed yarns, herbal products, and a variety of items by local tinsmiths, blacksmiths and broom makers. “Belsnickel,” the German Santa will attend. Admission is $10 for adults, $5 for children ages 3 to 11, and free for children younger than 3. Call 724-266-4500.

<B>Heinz History Center</B>, 1212 Smallman St., hosts the exhibit“Vatican Splendors: A Journey through Faith and Art” in the largest Vatican exhibit ever to visit North America. through Jan. 9. 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.<B>National Aviary</B>, 700 Arch St., hosts breakfast with Santa at 8:30 p.m. Saturday and Dec. 18; cost is $20 and includes admission to the aviary. A holiday bird show takes place at 11 a.m. and 1:30 p.m. daily through Jan. 2 immediately following “Wings!” in the Helen M. Schmidt FliteZone Theater. Admission is $12 for adults, $11 for senior citizens, $9.50 for children ages 2 to 12, and free for those younger than 2. Hours are 10 a.m. to 5 p.m. every day except closed Christmas Eve and Christmas Day. 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,” which 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 $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, is conducting a Mister Rogers Sweater Drive through Dec. 17. The exhibit “Whoosh!” featuring a Whirlwind Room, cockpit of an old-school airplane, rockets and bubbles, continues through May 29. “Tough Art” continues through Jan. 16. The museum will be closed Dec. 25 and Jan. 1. 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, hosts NASA Family Science Nights from 6 to 8 p.m. the first Tuesday of each month through April, with the exception of January. A pizza dinner is included. Cost is $7 per person per night. Registration is required; call 412-237-1637. The Miniature Railroad and Village exhibit has reopened for the holiday season. Regular science center hours are 10 a.m. to 5 p.m. Sundays through Fridays and 10 a.m. to 7 p.m. Saturdays. Hours will be limited for Steelers’ home games and the holidays as follows: closed Sunday and Dec. 19 and 25. The center will close at 4 p.m. Dec. 23, 24 and 31, but will remain open until 7 p.m. Dec. 26 to 30. General admission is $17.95 for adults and $9.95 for children ages 3 to 12. Omnimax films are extra. Call 412-237-3400.