COUNTY

The Butler Ghost Walk will be at 7:30 p.m. Friday and Saturday starting from Diamond Park, across from the Butler County Courthouse. Tour guide Bill May takes spectators of all ages on a guided walking tour and tells stories of Sam Mohawk, Ghosts of the Old Hospital, Haunted Elevator, Chinese Laundry Murder, Phantom Civil War Regiment, the Girl Who Heard the Angels Sing, and new this year, “The Ghost of the Penn Theater.” Cost is $10, and reservations are required. Visit www.ButlerGhostWalk.com or call 724-256-9026. All children under 18 must be accompanied by an adult.

The Old Stone House’s Spooky Stories will be from 5:30 to 8:30 p.m. Saturday. Festivities include stories, dramatic readings, face painting, an apple cider press demonstration, candle dipping, and sugar cookie decorating. Admission is $8 per person, with a cap of $30 for families of four or more. Children under 4 are admitted free. The Old Stone House at the intersection of routes 8, 173 and 528, Brady Township, is owned and managed by Slippery Rock University. Visit www.oldstonehousePA.org or call 724-738-4964.

Maridon Museum, 322 N. McKean St., features German Meissen porcelain. Hours are 11 a.m. to 4 p.m. Wednesdays through Saturdays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Call 724-282-0123 or visit maridon.org.

Harmony Museum, 218 Mercer St., offers tours from 1 to 4 p.m. daily, except when the museum is closed Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youths ages 6 to 17. Call 724-452-7341.

PITTSBURGH

Fort Pitt Museum, Point State Park presents “From Maps to Mermaids: Carved Powder Horns in Early America” through Jan. 14. Admission is $7 for adults, $6 for senior citizens, $4 for retired and active military, and $3.50 for children ages 6 to 17. Hours are 10 a.m. to 5 p.m. daily. Call 412-454-6415 or visit www.heinzhistorycenter.org.

Heinz History Center, 1212 Smallman St., will host Rabbi Barbara Aiello for two lectures focusing on the relationships between the Italian and Jewish communities on Saturday and Sunday. The center is open 10 a.m. to 5 p.m. daily. Admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.

Carnegie Science Center, North Side, will host ChemFest from 10 a.m. to 3 p.m. Friday and 10 a.m. to 4 p.m. Saturday. ChemFest activities are included with general admission. The Miniature Railroad and Village will reopen Nov. 20. The Science Center will be closed Sunday. Hours for fall and winter are 10 a.m. to 5 p.m. daily. Admission is $18.95 for adults and $11.95 for children 3 to 12; films are extra. Call 412-237-3400 or visit CarnegieScienceCenter.org.

National Aviary, 700 Arch St., presents Wings & Wildlife Art Show & Marketplace 10 a.m. to 5 p.m. Nov. 4 and 5. The aviary is open daily from 10 a.m. to 5 p.m. Admission is $14 for adults and $13 for senior citizens and children 2 to 12. Call 412-323-7235 or visit www.aviary.org.

Children’s Museum, 10 Children’s Way, Allegheny Square, displays “Tough Art” through Jan. 21. Hours are 10 a.m. to 5 p.m. daily. Admission is $16 for adults and $14 for children 2 to 18 and senior citizens. Call 412-322-5058 or visit www.pittsburghkids.org.

Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, will have free admission Nov. 19. Hours are 10 a.m. to 5 p.m. daily except closed Tuesdays. Extended hours are until 8 p.m. Thursdays. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Call 412-622-3131 or visit www.carnegiemnh.org.