historic hugstein castle ruins overlooking the verdant florival valley in buhl, alsace, france

historic ruins hugstein castle buhl guebwiller hautrhin alsace france florival valley verdant scenic medieval heritage ancient fortification stone walls historical landmark french countryside tourism culture architecture blue sky clouds nature greenery exploration travel outdoor panoramic view rural setting springtime lush landscape hillside fortress remains conservation vista sightseeing adventure tranquility european history fort picturesque majestic idyllic wanderlust