San Felipe Castle is a historic fortress located in Cartagena, Colombia. Built in the 16th century, it was designed to protect the city from pirate attacks and foreign invasions. The castle features impressive walls and a strategic position overlooking the harbor, making it a key military site during colonial times. Today, San Felipe Castle is a popular tourist attraction, showcasing its rich history and architectural significance. Visitors can explore its tunnels, ramparts, and panoramic views of Cartagena, providing insight into the city's past and its role in maritime defense.