The Hook Lighthouse, located in County Wexford, Ireland, is one of the oldest lighthouses in the world, standing tall for over 800 years. Built by Strongbow's son-in-law William Marshall in the 12th century, this iconic structure marks the eastern entrance to Waterford Harbour. With its medieval architecture and fascinating history, the Hook Lighthouse is a wonderful tourist attraction, offering visitors a glimpse into Ireland's maritime past with stunning coastal views.