In Cartagena:
1. Rosario Islands: A group of scenic islands just off the coast of Cartagena, perfect for snorkeling and relaxing on the beach.
2. Playa Blanca: A beautiful white sand beach located just a short boat ride away from Cartagena.
3. Castillo San Felipe de Barajas: A historic Spanish fortress offering stunning views of the city.
4. La Popa Monastery: An old monastery perched on a hill overlooking Cartagena.
5. Ciudad Amurallada (Old Town): The historic walled city of Cartagena, known for its colorful colonial architecture and lively atmosphere.

In Medellin:
1. Guatape: A picturesque town located about 2 hours from Medellin, known for its giant rock formation called El Peñol.
2. Parque Arví: An ecological nature reserve located just outside of Medellin, perfect for hiking and exploring the outdoors.
3. Comuna 13: Once known as one of the most dangerous neighborhoods in Medellin, Comuna 13 has transformed into a vibrant community filled with street art and cultural experiences.
4. Jardín Botánico de Medellín: A beautiful botanical garden located in the heart of the city, perfect for a leisurely stroll or picnic.
5. Pueblito Paisa: A replica of a traditional Antioquian village located on Nutibara Hill, offering panoramic views of Medellin.