[1] Pistyll Rhaeadr Powys, Wales 240-foot (73 m) tall waterfall, one of Britain's tallest, fed by streams from the Berwyn Mountains [1] The Needles Isle of Wight, England A series of chalk stacks extending into the sea from the western end of the island [1] Wastwater Lake District, England Glacial valley surrounded by some of the Lake District's tallest mountains [1]