Castle Rushen is a remarkable medieval castle located in Castletown, the ancient capital of the Isle of Man. It's one of the best-preserved castles in the world and has a rich history as a fortress, royal residence, mint, and prison. Visitors to Castle Rushen can explore its impressive structure, which includes a museum and educational centre that provides insights into the life and times of the past inhabitants. The castle's architecture and exhibits offer a deep dive into the Isle of Man's history and heritage.