Varadero, set along Cuba’s Hicacos Peninsula, is one of the Caribbean’s most renowned beach destinations. Its 20 kilometers of powdery white sand and clear turquoise waters have made it a favorite for relaxation, water sports, and resort stays.

Grenoble sits at the meeting point of three Alpine mountain ranges in southeastern France, giving it a setting that feels both dramatic and lived-in. With origins dating back to Roman times, the city has long been a crossroads of trade, science, and political thought.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Rousse, Bulgaria, often referred to as "Little Vienna," sits gracefully on the banks of the Danube River. Known for its rich history, stunning architecture, and vibrant culture, Rousse offers a glimpse into Bulgaria's past while embracing the future. The city's central square, Svoboda (Freedom) Square, is a great starting point for exploring.

Lao Cai, a gateway city to the northern highlands of Vietnam, offers an alluring blend of cultural diversity, breathtaking landscapes, and a touch of French colonial heritage. Situated along the Red River and bordering China, Lao Cai is the starting point for adventurers heading to the famous terraced rice fields of Sapa, but it has its own unique charms to discover.