Inside Erdstall Rabmühle,Schratzelloch,Weem, Fogou,Earthhouse,Souterrain
An erdstall is a type of tunnel found across Europe. They are of unknown origin but are believed to date from the Middle Ages. A variety of purposes have been theorized, including that they were used as escape routes or hiding places, but the most prominent theory is that they served a religious or spiritual purpose. by wikipedia
http://en.wikipedia.org/wiki/Erdstall An erdstall is a type of tunnel found across Europe. They ar...
Observation tower on the Stueckstein near Eslarn
Castle Trausnitz in Upper Palatinate