Enjoy this shore excursion: Cartagena private walking tour 4h, more than 20 centuries of history as you take a 4-hour stroll through the Modernist streets of Cartagena and discover the Roman heritage of this archeaological city with a professional guide. Enjoy panoramic views and visit the ruins of the Roman Theatre of Carthago Nova (inside) and head to La Concepción castle for an exterior visit. Explore the Interpretation Center of Punic Walls which is a 'must-see' in Cartagena. Take the panoramic elevator and enjoy the views of the Royal Marine.