Small castles are also castles. Vryprachtice, Eagle Mountains.

I smiled at the memory. I don't even know which river it was anymore. Vltava? Hron? Eagles? Or maybe Berounka? Our boating party was paddling in their canoes in the afternoon heat on the not very flowing surface. Only I was running my eyes along the surrounding banks. When I found the place.
"Stand!", I shouted in a voice so powerful that several climbing fishermen fell into the water in fright.. "There is a castle here on the hill" and I stabbed...