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!
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.
Knights Templar: Rosslyn Chapel in Midlothian, Scotland. Founded in the century by William Sinclair, who was descended from a noble family of Norman knights. The chapel is said to have many Templar symbols, and has been featured in more than one novel.