Gniew Castle is a historic fortress located in the town of Gniew, Poland. Built in the 13th century by the Teutonic Knights, it served as a strategic military stronghold. The castle features impressive brick architecture and is surrounded by scenic landscapes, making it a popular tourist destination. Today, Gniew Castle houses a museum that showcases the history of the region and the castle itself. Visitors can explore its well-preserved interiors, including the grand hall and various exhibitions. The castle also hosts cultural events and reenactments, providing a glimpse into medieval life.