Medieval Fortress of Lichtenstein Castle in Germany

Perched atop an ancient volcanic plug amidst the Black Forest hills, this medieval fortress stands as one of Germany's most impressive castles. Its formidable stone walls are adorned by ivy-covered towers that pierce the sky while intricate battlements offer glimpses into its storied past. A moat surrounds it for added protection against invaders from yesteryears, now serving only to enhance visitors' appreciation of this architectural marvel under a serene blue sky dotted with wispy clouds.