The 38 Most Haunting Abandoned Places On Earth Just Might Give You Chills... Red Sands Sea Forts - Sealand, United Kingdom Originally built during World War II to protect the River Thames, these forts are now lifeless. Except for those that have been claimed by Sealand, a micronation off the shore of England.
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The Maunsell Sea Forts in England--After the war, the forts were abandoned and Great Nore was demolished in 1958. Red Sand Fort which is off the coast at Whitstable was used in the 1960's as a pirate radio station. Three other forts of similar design were built in the Mersey to protect Liverpool.