the harhoog is a dolmen, a rectangular megalithic tomb from the funnelbeaker culture

rock ruins terrain landscape tree cliff hill grass geology mountain coast wilderness sea badlands nature plant wall harhoog dolmen rectangular megalithic tomb funnelbeaker culture ancient ancient ruins site archaeology archeology burial countryside cultural culture dolmen europe famous germany grave heritage historic historical history landmark megalith megalithic neolithic old outdoor panorama prehistoric religion rock stone stone age summer tomb tourism travel