A derelict 150-year-old fort island, previously deemed dangerous and off-limits, is set to be redeveloped into a tourist attraction in the UK. Fort Darnet, located on the River Medway in Kent, has been abandoned for decades and fallen into disrepair. The historic island-fortification holds significant historical importance, though details of its past are not specified in the report. Plans are underway to transform the site, opening it to the public and boosting local tourism. The project aims to revitalize the neglected structure and offer a unique visitor experience. Further details regarding the redevelopment and opening date are expected to be announced.