If only the time-worn walls of Osterode Old Castle could talk! But seeing they can't, check if tours are available to hear some of its stories instead.
This fortified complex in Osterode am Harz comes recommended by fellow travelers, so make sure it features on your schedule. Don't stop there, though. There are many more attractions ready for you to explore after Osterode Old Castle. Cave Experience Centre Iberg Dripstone Cave, Old Town Hall, and Mining Museum are not far away.