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Shell Grotto: England's mysterious underground seashell chamber

Popkin
Sep 05, 2025
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By Alby - Own work, CC0, Link

The Shell Grotto in Margate, Kent, England, is a mysterious underground passageway adorned with over 4.6 million seashells. This whimsical hideaway was discovered in 1835. Its origins and purpose remain unknown. Theories range from an 18th-century folly to a Phoenician temple, or even a secret Masonic meeting place.

The grott…

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