Calistoga is a small city at the northern end of Napa Valley in Northern California, surrounded by vineyards, oak-covered hills, and volcanic landscapes. Its location near Mount Saint Helena gives the area a different setting from the broader valley floor farther south, with wooded mountains rising around the community. Calistoga is particularly associated with geothermal springs, which have supported bathing and wellness traditions for generations.

Saly is a coastal resort town on Senegal’s Petite Côte, south of Dakar and near the city of Mbour. It developed around a broad Atlantic shoreline, with sandy beaches, palm-lined streets, hotels, guesthouses, restaurants, and small businesses serving both residents and visitors. The surrounding area combines coastal dunes, scrubland, fishing communities, and lagoons, while the nearby town of Mbour remains an important fishing and trading center.

Nestled on the banks of the Danube River, Vidin, Bulgaria, is a city where history and scenic beauty converge. This ancient city, known for its well-preserved medieval fortress, the Baba Vida Castle, offers a unique glimpse into Bulgaria's past. The fortress, dating back to the 10th century, stands as one of the best-preserved medieval fortifications in the country.

Colmar is a city in Alsace, northeastern France, situated between the Vosges Mountains and the Rhine plain. Its historic centre is known for canals, narrow streets, colourful timber-framed houses, and buildings with carved details that reflect the region's Germanic and French influences. The Lauch River passes through the district known as Little Venice, while the covered market, old customs house, and former merchant houses add to the architectural variety.

Karlskrona is a coastal city in southeastern Sweden, spread across islands and peninsulas in the Blekinge archipelago. Founded as a naval base, it was carefully planned around the needs of Sweden’s fleet, and its historic naval environment remains central to the city’s identity. The central island of Trossö contains the main urban district, while nearby islands and waterfronts provide a close connection to the Baltic Sea.