A mysterious shell grotto can be found tucked away in underground tunnels and has been described as the 'UK's strangest hidden gem'. Located in Margate, Kent, the Shell Grotto was accidentally ...

Who built the Shell Grotto, and why do we care so much? By Gabrielle Schwarz Six years ago, during a trip to the seaside town Margate, England, my family and I visited a site known as the Shell Grotto ...

The world is full of unsolved mysteries. Codes, puzzles, and cryptic public art tease us with their intrigue, and have left some of our most revered historians, cleverest cryptographers, and most ...