Wanne Observation Tower

Wanne observation tower is one of the oldest lattice towers in the world. It was built in 1888 by the observation tower cooperative on the 778 m Wanne mountain tub east of Villingen, in the Schwarzwald-Baar district in southern Baden-Württemberg, Germany. It was erected by bell foundry Grueninger of Villingen. The 30 m tower has three platforms and is remarkable for its uncommon design, as it has an octagonal cross section.