Bismarckturm, Memorial tower on Schlossberg, Freiburg im Breisgau, Germany.

The Bismarckturm is a 12.6-metre sandstone tower with a square ground plan of 5.8 by 5.8 metres, standing on the Schlossberg in front of the St.-Peter-Felsen. Its design by architect Oskar Geiges follows Wilhelm Kreis's Götterdämmerung type. On the side facing the city are a relief of the Imperial Eagle carved by Anton Viesel and Bismarck's family crest; above the rear entrance a plaque carries an inscription and the city arms twice.

Construction began in February 1899 under University Prorector Gustav Steinmann and was completed with its inauguration on July 28, 1900. It was built during a period when such monuments honoring major political figures were rising across the German states.

Students and faculty at Albert-Ludwigs-University organized its construction as a tribute to German Chancellor Otto von Bismarck. The carved details on its walls, including an Imperial Eagle and family crest, reflect how this figure once inspired local pride and commemoration.

The tower stands on the Schlossberg in front of the St. Peter rock, reachable on foot via the Schlossberg paths. The top and the intermediate platform can only be reached by an iron ladder, so the tower cannot be used as a lookout. The city-facing side carries the eagle relief and the Bismarck crest; the entrance side has the inscription plaque.

The tower features a carved Imperial Eagle by sculptor Anton Viesel, blending artistic craftsmanship with political symbolism in an unexpected way. This sculptural detail is easy to miss today, yet it reveals how much care went into artistic choices during the tower's creation.