Ulm, Germany, a picturesque city on the banks of the Danube River, offers a rich tapestry of history and modern charm. Dominating its skyline is the Ulm Minster, home to the tallest church steeple in the world at 161.5 meters (530 feet). This Gothic masterpiece invites visitors to climb its 768 steps for a breathtaking panoramic view of the city and the surrounding countryside.

Tayrona National Natural Park, located on Colombia’s northern Caribbean coast, is where the Sierra Nevada mountains plunge into the sea, creating a landscape of wild beaches, dense rainforest, and ancient archaeological sites. Just an hour from Santa Marta, this protected area stretches over 150 square kilometers of land and marine territory. Its coastline is dotted with hidden coves, palm-fringed bays, and massive boulders sculpted by wind and time.

Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Salerno, nestled along Italy's stunning Amalfi Coast, offers a captivating blend of history, culture, and Mediterranean charm. As a gateway to the Amalfi Coast, Salerno's historic center features delightful streets and architectural gems.

Tanzania, located in East Africa along the Indian Ocean, is a country of extraordinary landscapes and cultural diversity. It is home to Africa’s tallest peak, Mount Kilimanjaro, and vast plains such as the Serengeti, where wildlife roams freely across open savannas.