abraded bare bleak boulder break broken canada eroded erosion hard high layers montane mountains natural nature pieces rock Rockies rocky shards splintered stone summit terrain weathering worn clouds coast distance England english Great Britain horizon kent low pools sea shore sky tide water Angus Arbroath bay beach beautiful beauty blue cliff cliffs cloud coastline destination europe green hiking hill holiday island landmark landscapes mountain ocean outdoor outdoors park peak rocks sand scenery scenic seascape summer sun sunny sunset tourism tree vacation view Cornish cornwall crashing engulfing foam force power roaring seething surf turbulent violent waves white animals Balanus barnacles creature crustacea marine Mollusca mussels Myrtilus Pembrokeshire sealife united kingdom wales welsh canyon Canyonlands landscape Mesa plateau red snow trail usa Utah valley geyser Montana national parks parks u.s.a. yellowstone aloe Crete Greece health plants travel boulders granite granitic hillside