Český Krumlov, a picturesque city in the Czech Republic, is a treasure trove of medieval charm and architectural splendor. Nestled in the South Bohemian Region, this UNESCO World Heritage Site is renowned for its stunning Český Krumlov Castle, which towers over the city and offers panoramic views of the winding Vltava River and the old town's red-tiled rooftops.

This city is the last stop on one of the busiest artificial waterways in the world, the Kiel Canal. It is an important base for the German Navy and famous for its international sailing event, the "Kieler Woche", an annual sailing event that attracts millions of people around the world.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Part of the British Virgin Islands, Virgin Gorda is an island in the Caribbean famous for The Baths National Park, whose natural geologic granite formations dot the island's beaches and create stunning tidal pools and grottoes.

Siem Reap is best known as the gateway to Angkor, the ancient capital of the Khmer Empire, but the town itself offers far more than a launching point for temple exploration. Located in northwestern Cambodia, Siem Reap balances centuries-old traditions with a rapidly evolving cultural scene. Its streets are lined with colonial-era buildings, Buddhist pagodas, bustling markets, and open-air cafés.