Quiz a resident on what the most unique structures in town are and they'll probably mention Pyramidenkogel Lookout Tower. It's one of the first things your eyes will be drawn to when you start exploring.
Pay the entrance fee and then take your time to explore this popular Keutschach am See modern piece of architecture. If you're searching for more fun sightseeing adventures in the area, Minimundus, Casino Velden and Happs Reptilienzoo are close to Pyramidenkogel Lookout Tower.