The Observation Tower Burgholzhof in Burgholzhof, since 1998 a separate community within Bad Cannstatt in Stuttgart, Baden-Württemberg, Germany, is an 1891 brick observation tower constructed by the Cannstatt municipal architect Friedrich Keppler on behalf of the Verschönerungsverein Cannstatt e. V. ("Society for the Beautification of Cannstatt"), in the style of a Roman tower, at an elevation of 359 meters(1778 ft) above sea level, at 9°11'41 east and 48°49'08" north. It was formally opened on 19 September 1891 in the presence of the then Crown-Prince Wilhelm of Württemberg.