hornberg castle in the neckar valley, neckarzimmern between heidelberg and heilbronn, baden-württemberg, germany, europe

badenwuerttemberg badenwrttemberg neckarzimmern wuerttemberg strongholds heidelberg stronghold fortresses heilbronn neckartal buildings hornberg vacation daylight fortress european building germany tourism daytime outdoor castles federal castle neckar valley europe german river hills tower views skay blue hill burg view old day rep frg