Sunset Cartagena Walled City The best things to do in Cartagena de Indias start in the Walled City, also known as the Old Town or Old City. Its colonial streets, colorful balconies, and historic plazas make it the city's most iconic experience, especially at sunset from the old city walls. Beyond the Walled City, add Getsemaní for street art, the Rosario Islands for a beach day, and local restaurants in the historic center. The Ultimate Guide to Exploring the Walled City of C