Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.

Southampton is a city shaped by the sea. Located on the southern coast of England, it has been a key maritime port for centuries. In 1912, the RMS Titanic set sail from its docks, and today, the SeaCity Museum tells the story through the lives of local residents connected to the voyage. The medieval city walls, which are some of the best-preserved in England, still stand, offering a walk through time with views of old merchant houses, towers, and hidden vaults once used to store wine and wool.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Telč, a charming town in the South Bohemian Region of the Czech Republic, enchants visitors with its well-preserved Renaissance architecture and picturesque surroundings. The town's central attraction is its beautifully preserved Historic Centre, a UNESCO World Heritage Site, renowned for its colorful facades and quaint medieval charm.

Vis, a charming island city in Croatia's Dalmatian region, offers a serene retreat with its blend of historical allure and natural beauty. Known for its historical significance, Vis boasts remnants of its Greek and Roman past, including the well-preserved fortifications and ancient ruins. The city itself is a captivating blend of Venetian and Austro-Hungarian architecture, with quaint streets and lovely waterfronts that invite leisurely exploration.