The Old Stone House at the intersection of Routes 8, 173 and 528 in Brady Township will be the site of a “Cherry Pie Hike,” celebrating the birthday of George Washington, at 1 p.m. Saturday. The event will include remarks by Brady Crytzer, local historian, author and Slippery Rock University graduate. The free program combines history, a winter hike on the North Country Trail and cherry pie. Coffee will also be provided. Reservations are required at 724-256-0674.

Harmony Museum on Mercer Street in Harmony has raised its adult admission fees. Admission is now $7 for adults, $6 for senior citizens age 60 and older, and $3 for youths age 6 to 17. Tours are offered 1 to 4 p.m. daily except Mondays and holidays. Call 724-452-7341 or visit www.harmonymuseum.org.

The Holocaust Center of Pittsburgh and the August Wilson Center present “The Nazi Olympics: Berlin 1936” through Feb. 28 at the Wilson Center, 980 Liberty Ave. For tickets, call 412-421-1500, Ext. 106, or visit www.AugustWilsonCenter.org.Phipps Conservatory and Botanical Gardens concludes the orchid and tropical bonsai show Sunday. Hours are 9:30 a.m. to 5 p.m. daily and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students, and $11 for children ages 2 to 18. Members and children younger than 2 enter free. Call 412-622-6914.