Casa de Rafael Núñez is just one of the attractions in Cartagena Walled City, Cartagena so you might want to stop by during your trip. Hotels.com travelers also say the area is full of friendly people and has lots of nice beaches. If you want to experience more of the culture Cartagena has to offer, head to Walls of Cartagena, Las Bovedas, and Centro Comercial La Serrezuela.