Addis Ababa is the capital of Ethiopia and a highland city set at the foot of the Entoto Mountains. Its elevated setting gives the city a relatively cool climate compared with much of the country, while broad avenues, busy neighborhoods, green hills, and expanding modern districts create a varied urban landscape. Addis Ababa is also the headquarters of the African Union and hosts numerous international organizations, giving it an important diplomatic role across the continent.

Yuma is a city in southwestern Arizona near the Colorado River, close to the borders with California and Mexico. Its location in the lower Colorado River Valley has made it an important crossing point, agricultural center, and transportation hub in the desert Southwest. The surrounding landscape is characterized by low desert plains, irrigated farmland, sand dunes, and rugged mountains.

Espiritu Santo, one of the largest islands of Vanuatu off the east coast of Australia, is a popular destination for divers. Famous Champagne Beach, as one might guess from the name, offers crystal clear waters and powdery white sands, while the western side of the island is dotted with caves to explore and reefs team with marine life just offshore.

Colorado, a gem nestled in the Rocky Mountains of the United States, offers a diverse array of experiences that cater to outdoor enthusiasts, culture seekers, and history buffs alike. The state's stunning landscapes range from the snow-capped peaks of the Rockies to the vibrant red rock formations of the Colorado Plateau.

To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.