Nature is never far in Helsinki. Locals swim in the sea, walk forested trails, and gather mushrooms or berries all within city limits. One popular local habit is heading to the sauna, and the city offers several open-to-the-public options. Löyly, located on the waterfront, combines traditional wood-burning saunas with a sleek, modern design. In winter, visitors can even pair a sauna session with a quick dip through a hole cut in the ice for an experience both shocking and strangely calming.

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.

This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers. Hop on a cable car, one of the city's most popular attractions, for stunning city-wide views, or cruise down the Rhine to spot some of Koblenz's magnificent fortresses and castles, including the Ehrenbreitstein Fortress and Schloss Stolzenfels.

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.

Basse-Terre, the western half of Guadeloupe, is a haven for nature enthusiasts and adventure seekers. Dominated by the towering La Soufrière volcano, the island boasts lush rainforests, dramatic waterfalls, and black sand beaches.