Achalm Castle

About

Achalm Castle is a ruined castle located above the towns of Reutlingen and Pfullingen in Baden-Württemberg, Germany. Situated on the top of a hill at the edge of the Swabian Alb the ruins of the 11th-century castle are topped by a look-out tower from 1838.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.