A “Historic Mansions of Butler Walking Tour” will be presented by Bill May at 6 p.m. Sept. 7 in the historic neighborhood of North McKean, East Fulton and East Pearl streets. The 90-minute tour does not go in the homes. Participants will hear stories of the builders of these beautifully preserved homes including Elm Court as well as their connections to Abraham Lincoln, Mark Twain and John D. Rockefeller, John Muir, and the Underground Railroad. Rain date is Sept. 8. Cost is $15 and reservations and advance payment are required. Call 724-256-9026 or email ButlerWalkingTour@gmail.com.

Maridon Museum, 322 N. McKean St., will host a Harvest Moon Festival on Sept. 22, featuring rat-pack style performer Michael Carluccio, at the Butler Country Club in Penn Township. The museum is open from 11 a.m. to 4 p.m. Wednesdays through Saturdays, except holidays, Museum admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8 accompanied by an adult. Guided tours are available with advanced notice for no extra charge. Call 724-282-0123 or visit www.maridon.org.

Fort Pitt Museum in Point State Park, built in a recreated bastion of the British fort originally constructed in 1759, will have lecturer S. Max Edelson as part of the Fort Pitt Speaker Series at 11 a.m. Saturday. He will discuss British efforts to map and control America in the years preceding the American Revolution. Admission is $15 for the general public and $10 for students. Register online at heinzhistorycenter.org/events.Phipps Conservatory and Botanical Gardens, continues the Summer Flower Show “Van Gogh in Bloom” through Oct. 6. Phipps is open from 9:30 a.m. to 5 p.m. daily. Admission is $17.95 for adults, $16.95 for senior citizens age 62 and older and students, and $11.95 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.Carnegie Museum of Natural History, 4400 Forbes Ave. in Oakland, along with the Carnegie Museum of Art, offers free admission to active U.S. military personnel with up to four guests, as part of the Blue Star Museums program, through Labor Day. The Museums of Natural History and Art are open 10 a.m. to 5 p.m. daily, closed holidays. Regular admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for students and children. Call 412-622-3131 or visit www.carnegiemnh.org.Carnegie Science Center on the North Side concludes “Da Vinci The Exhibition” on Monday (this exhibit has its own admission price). Beginning Tuesday, the Science Center will be closed to the public every Tuesday through the last Tuesday in April, except for Dec. 31 and April 7. Science center hours are 10 a.m. to 5 p.m. General admission is $19.95 for adults, $14.95 for senior citizens and $11.95 for children; some activities are extra. Call 412-237-3400 or visit CarnegieScienceCenter.org.