In 1835, young Joshua Newlove fell down a hole and inadvertently discovered Margate’s Shell Grotto. Seventy feet of underground tunnels lead to a chamber decorated with arcane symbols made entirely from sea shells. And the purpose of a cave studded with over four million shells mosaicked into phalluses, stars and flowers? Nobody really knows.
Secret Britain travel guide part one: stone circles and megaliths
Seahenge oak circle Holme-Next-the-Sea, Norfolk: Seahenge, which is also known as Holme I, was a prehistoric monument located in the village of Holme-next-the-Sea, near Old Hunstanton in the English county of Norfolk. A timber circle with an upturned tree root in the centre, Seahenge was apparently built in the 21st century BC, during the early Bronze Age in Britain, most likely for ritual purposes.
Spekes Mill Mouth Waterfall, North Devon coast, just south of Hartland Quay, England; photo by Neville Stanikk ...The two streams that rise on the high ground of Bursdon Moor meet near Lymebridge and wind their way through the secluded Spekes Valley before cascading down a shear rock face sixty feet, through a series of four smaller falls before finally reaching the sea. - info from Devizes Lion (Flickr)