castle kreuzberg above altenahr in ahr valley, germany

woodland wilderness weather wall view verdant vegetation valley typical trees tree tower terrain surroundings surrounding suggesting structure stone sky situated shrub secluded scenic roof rolling ridge region reflecting power pointed plant picturesque peeks partially overcast old offers obscured natural mountain medieval meadow lush location landscape kreuzberg jungle history historic hills hill greenery green germany fortress fort forested forest foliage flower elevated dense cylindrical craft ahr ahrtal vineyard wine vine area winemaking planting steep vineyards river stream small rivers burg altenahr