Progreso, a coastal city in the state of Yucatán, offers travelers a relaxed atmosphere with strong ties to the sea. Founded in 1871 as a port to support trade in the region, Progreso now welcomes both cargo ships and cruise liners to its shores. Its most defining feature is the Progreso Pier, one of the longest in the world, stretching over 6 kilometers into the Gulf of Mexico.

Heidelberg, located along the scenic banks of the Neckar River in southwestern Germany, is a city steeped in history, culture, and charm. Known for its prestigious university, which is one of the oldest in Europe, the city draws visitors with its picturesque old town, medieval architecture, and vibrant academic atmosphere.

Volos, a vibrant city nestled between the Aegean Sea and the lush slopes of Mount Pelion, is a delightful blend of modernity and tradition. Known for its picturesque waterfront and bustling port, Volos offers visitors an authentic taste of Greek coastal life. The city’s seaside promenade is ideal for leisurely strolls, with plenty of cafes and tavernas where you can savor fresh seafood while enjoying views of the bay.

Serbia is a country where centuries-old monasteries sit just a short drive from lively cities, and where the past is never far from daily life. In Belgrade, the capital, Kalemegdan Fortress offers panoramic views where the Danube meets the Sava River. This fortress has witnessed more than 100 battles and been rebuilt many times over two millennia. Within its walls are Roman ruins, an open-air military museum, and quiet park paths perfect for wandering between centuries of layered history.

Opatija, located on Croatia’s Kvarner Bay, has been drawing visitors since the 19th century, when Austro-Hungarian aristocrats built grand villas along its Adriatic shoreline. Today, many of those same buildings still stand with some restored as luxury hotels and others preserved as cultural landmarks. The town’s most recognizable structure, Villa Angiolina, opened in 1844 and marked the start of Opatija’s rise as a fashionable seaside resort.