Shell Grotto at Margate (UK) In 1835 Mr James Newlove lowered his young son Joshua into a hole in the ground that had appeared during the digging of a duck pond. Joshua emerged describing tunnels covered with shells. He had discovered the Shell Grotto;
In 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. (Over 4 million sea shells!