Frankfurt an der Oder, or Frankfurt/Oder, is a charming town on the border of Germany and Poland, where you can experience the culture and history of both countries. You can visit the Gothic St. Mary's Church, the medieval town hall, and the Kleist Museum, dedicated to the famous German writer who was born here. You can also cross the Oder River on foot or by bike and explore the Polish town of Słubice, where you can find a lively market, a dinosaur park, and a monument to Wikipedia. If you love nature, you can enjoy the scenic lakes, forests, and trails around Frankfurt an der Oder, especially the popular Helenesee, where you can swim, sunbathe, or camp.