Dakar, the lively capital of Senegal, stands at the edge of the Atlantic Ocean on the Cape Verde Peninsula. As the westernmost city on the African mainland, it has long been a crossroads of cultures, trade, and ideas.

Antananarivo, Madagascar’s vibrant capital, offers a unique blend of cultural richness and historical depth. Perched on a series of hills, the city’s layout is characterized by its steep streets and traditional architecture. The Royal Palace, or Rova of Antananarivo, is a central landmark, offering a glimpse into Madagascar's royal past. Although much of the palace was destroyed by fire in 1995, the site remains a significant cultural and historical monument.

The Amazon River, winding through the heart of South America, is a marvel of nature that offers unparalleled adventure in one of the most biodiverse regions on Earth.

Portland, Oregon, is a city where natural beauty and urban innovation coexist harmoniously. Nestled between the Columbia and Willamette Rivers and framed by volcanic mountains, Portland offers an array of outdoor adventures alongside its renowned cultural scene. Visitors can explore the lush expanses of Forest Park, one of the largest urban forests in the U.S., or take a leisurely stroll through the Portland Japanese Garden, which showcases exquisite traditional Japanese landscape design.

Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.