You can't travel through the area without pausing to admire Adam Mickiewicz Monument. This famous piece of artwork is on most people's sightseeing list.
Located in Stare Miasto District, this work of art is well worth a look. But you'll find plenty more to see in the area. Old Town Square, Church of Saint Stanislaw Kostka, and Poznań Palm House aren't too far away from Adam Mickiewicz Monument.