In the past decade, several Viking graves from pagan warrior burials have been unearthed south of Dublin Castle on Ship Street Little, South Great Georges Street and Golden Lane.

BBC: Dublin's Viking heritage

King Henry VIII watched from Southsea Castle as his ship sank killing all but 35 of the 500-strong crew.

BBC: Mary Rose protective jets switched off for first time

There, 230 employees work among a castle, a pirate ship and a tree house, as well as other childlike sets.

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