It's often interesting to delve into different belief systems. A trip to St. Gertraud Church is a good way to experience one of the local religions.
If you're spending a while in Frankfurt an der Oder, St. Gertraud Church is a great place to start your exploring. This house of prayer is one of many attractions that'll keep you on the go here. Helenesee, Bazar Slubice, and Wild Park Frankfurt Oder are also ready to be explored nearby.