Gotland, Sweden’s largest island, sits in the Baltic Sea and feels like a world of its own. Its main town, Visby, is a UNESCO World Heritage site and one of the best-preserved medieval towns in Northern Europe. Surrounded by a 3.5-kilometer stone wall with original towers still intact, Visby once served as a key Hanseatic trading hub. Visitors can walk along cobbled streets lined with rose-covered cottages, explore Gothic church ruins, and climb up the city wall for views over the harbor.

The dazzling capital of the Czech Republic, the explorable Prague has fittingly been nicknamed "the City of a Hundred Spires." Halved by the Vltava River and notable for architecture Baroque, Renaissance, and Gothic, visitors will find much to take in here.

Catania, nestled on the eastern coast of Sicily, is a city shaped by fire and stone. Built from the black lava of Mount Etna, it’s a landscape filled with energy and contrasts from its Baroque palaces to its open air fish markets. At the heart of the city stands the Piazza del Duomo, where the iconic Fontana dell’Elefante, which is carved from volcanic rock, greets every visitor who passes by.

Rundu is the capital of Namibia’s Kavango East Region and a major town on the southern bank of the Kavango River, opposite Angola. Unlike much of Namibia’s dry interior, the area around Rundu is shaped by a permanent river, wooded floodplains, and fertile land used for small-scale agriculture.

Namib-Naukluft National Park is Namibia’s largest protected area, covering a vast stretch of desert from the central plateau toward the Atlantic coast. Its landscape includes rolling gravel plains, isolated rocky mountains, dry river valleys, and some of the country’s most recognizable sand dunes. The park contains the Namib Sand Sea, a UNESCO World Heritage property known for extensive dune fields shaped by wind and coastal fog.