The Shell Grotto, Margate (swipe for more). First mentioned in a newspaper report of 1838, previously unknown, discovered under a suburban house on a back street, with only anecdote and rumour to suggest who built it and why. A Victorian folly? A Mithraic temple? A Templar bolt-hole? A Margate branch of the Hellfire Club? Whatever the explanation, a fantastically strange, otherworldly place. #shellgrotto #margate #folly #temple #grotto #shellmosaic #subterranean #thanet #kent #archaeology #localhistory #psychogeography #myth #folklore #hiddenstructures #subterraneanbritain















