Greenland, the world’s largest island, offers travelers an experience that feels like stepping onto another planet. Vast ice sheets, towering glaciers, and deep fjords stretch across the horizon, creating a landscape that constantly shifts with the light. During summer, the Midnight Sun casts a golden glow well past midnight, while winter brings months of darkness lit by vibrant displays of the Northern Lights.

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.

Hurghada, located on the western shore of the Red Sea, is a vibrant Egyptian city known for its stunning beaches and thriving marine life. As one of Egypt's premier resort destinations, it offers an array of activities for beachgoers and adventure seekers alike. The city's pristine beaches are perfect for relaxing, while the warm, crystal-clear waters invite visitors to dive into a world of colorful coral reefs and diverse marine species.

Set along the Seine, Caudebec-en-Caux is notable for its dramatic Notre-Dame church and Maison des Templier (The Templars' House).

Jean Lafitte National Historical Park and Preserve spans six distinct sites across south Louisiana, linking wetlands, battlefields, cultural centers, and historic neighborhoods into one broad interpretation of the lower Mississippi River Delta. Its landscape ranges from the swamps and marshes of Barataria Preserve to the urban setting of the French Quarter Visitor Center in New Orleans.