Karlovy Vary, nestled in the west of the Czech Republic, is renowned for its therapeutic thermal springs and charming architecture. The town's spa heritage dates back to the 14th century when Charles IV, the Holy Roman Emperor, discovered the healing powers of its mineral waters. Today, Karlovy Vary continues to attract visitors seeking relaxation and wellness at its historic spa resorts, such as the luxurious Grandhotel Pupp, a hallmark of classic elegance source.

Syros, the capital of the Cyclades, stands apart from its island neighbors with its blend of neoclassical architecture, Orthodox and Catholic traditions, and year-round local life. Ermoupoli, the main town, was once a thriving 19th-century port and still displays its legacy through grand mansions, marble-paved squares, and the imposing Apollo Theater which was designed by an Italian architect and often referred to as a miniature La Scala.

Puerto Viejo de Talamanca, on Costa Rica’s southern Caribbean coast, is a lively seaside town where Afro-Caribbean culture, indigenous traditions, and tropical landscapes come together. Once a quiet fishing village, it is now known for its reggae rhythms, colorful wooden houses, and a laid-back atmosphere.

Nestled in the lush landscapes of western Cuba, Viñales offers an enchanting escape into a world where time seems to slow down amidst breathtaking natural beauty. Renowned for its striking limestone formations, known as mogotes, the Viñales Valley is a UNESCO World Heritage Site and a paradise for nature enthusiasts. The valley's dramatic scenery provides an ideal backdrop for hiking, horseback riding, and exploring underground caves like the Cueva del Indio.

Beppu boasts the largest volume of hot water and number of hot spring sources in Japan. The city is divided into eight distinct hot spring areas.