Things to Do) The Cartagena walled city located in Colombia’s Caribbean sea has nearly one million locals. As a tourist, you may find the Cartagena walled city a blend of old and new that makes this town Cartagena famous. Even though the Cartagena walled city is far from beaches and high-rise hotels, it captivates travelers. So if you’re in your 50s and enjoy exploring, then you can complete your bucket list with the top things to do in the walled…