Butler County Historical Society will present the third annual “Echoes from Our Past — Historic Cemetery Walk” at 11 a.m. and 2 p.m. Sept. 26 and at 2 p.m. Sept. 27 on the grounds of Butler's North Side Cemetery, 1002 N. Main St. “Echoes from Our Past” brings history to life through costumed actors portraying the characters and events of Butler County's ancestors. Tickets are $14 for the general public and $10 for historical society members and Butler Little Theatre season ticket holders. Tickets are available now, and sales will end at noon Sept. 25. No tickets will be available the day of the event. Tickets are available at www.butlerhistory.com or at the historical society office in the Senator Walter Lowrie House, 123 W. Diamond St., 9 a.m. and 3 p.m. Tuesdays through Fridays.

Harmony Museum, 218 Mercer St., will host its annual antique show and sale fundraiser Sept. 19 and 20 at the 1805 Harmony Society-Mennonite Barn annex at 303 Mercer Road. Show hours are 10 a.m. to 5 p.m. Sept. 19 and 11 a.m. to 4 p.m. Sept. 20. Admission is $5; admission fees and the sale of donated antiques at a museum booth support museum operations. Lunch and refreshments will be available.

Mars Shortline Railroad has tiny train rides available. As long as weather allows, adults and children can catch rides from 10 a.m. to 2 p.m. Fridays and 1 to 4 p.m. Saturdays through September at the Mars History and Landmark Society's restored small scale B&O Train Station south of downtown at 1 Brickyard Road. Rides are free, but donations are accepted. Call 724-272-9588 or visit marshistory.org.

The Old Stone House will be host the Moraine McConnells Mill Jennings Commission friends meeting at 7 p.m. Wednesday. Stan Malecki will make apple fritters in the outdoor oven. Donation for the event is $3. Take a folding chair. The Old Stone House is at the intersection of Routes 8, 528 and 173 in Brady Township. If it rains, the oven inside the Old Stone House will be used.

Oil Creel & Titusville Railroad has train rides Saturdays and Sundays in September. The train leaves the Perry Street Station, 409 S. Perry St., Titusville, at 1 p.m. Plan to arrive at least one half-hour prior for boarding. Call ahead for ticket costs and reservations. Call 814-676-1733.

ToonSeum, Pittsburgh's Museum of Cartoon Art, 945 Liberty Ave., will host “Drawn in Pittsburgh” Friday through Oct. 18. Museum hours are 10:30 a.m. to 3:30 p.m. Mondays, Wednesdays and Thursdays, 10:30 a.m. to 7 p.m. Fridays, 10:30 a.m. to 5 p.m. Saturdays and 11 a.m. to 5 p.m. Sundays; closed Tuesdays. Museum admission is $8 for those over age 13 and $4 for children ages 6 to 12. Senior citizens, college students, veterans and active military pay $7. Visit toonseum.org.Children's Museum, Allegheny Square, presents “Very Eric Carle: A Very Hungry, Quiet, Lonely, Clumsy, Busy Exhibit” through Sept. 20. Hours are 10 a.m. to 5 p.m. daily. Admission is $14 for adults and $13 for children ages 2 to 18 and senior citizens. Visit www.pittsburghkids.org.Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, continues the Summer Flower Show through Oct. 5. Hours are 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Admission is $15 for adults; $14 for students and senior citizens; and $11 for children ages 2 to 18. Call 412-622-6914.Heinz History Center, 1212 Smallman St., presents the “We Can Do It!” WWII exhibition. Center admission is $15 for adults, $13 for seniors, $6 for children ages 6 to 17. Active and retired military pay $6. Visit www.heinzhistorycenter.org.Carnegie Science Center, North Side, will have a “ROBOTS” celebration Sept. 19 in honor of the new giant-screen film. A Free Science Day on Sept. 27 will offer free general admission thanks to the Jack Buncher Foundation. Hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. General admission is $18.95 for adults and $11.95 for children ages 3 to 12. Visit CarnegieScienceCenter.org.Carnegie Museum of Natural History, 4400 Forbes Ave., Oakland, presents “Out of This World! Jewelry in the Space Age,” and“Animal Secrets.” Hours are 10 a.m. to 5 p.m. Mondays through Saturdays with extended hours until 8 p.m. Thursdays and from noon to 5 p.m. Sundays. Closed Tuesdays. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children ages 3 to 18. Visit www.carnegiemnh.org.