The Luitpold Tower was erected in 1909 on the summit of one of the highest hills in the Palatine Forest, the 610-metre-high Weißenberg as an observation tower. It is made of bunter sandstone.
Wikipedia https://en.wikipedia.org/wiki/Luitpold_Tower
Address (Unnamed Road), 66978, Germany
Coordinates 49°15'9.456" N 7°49'32.312" E