Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Sisimiut, Greenland's second-largest city, offers a captivating glimpse into Arctic life and stunning natural beauty. Nestled on the shores of the Davis Strait, Sisimiut is renowned for its striking landscapes and rich cultural heritage.

Whether exploring ancient ruins or strolling through its modern city center, visitors will find plenty to discover in Nijmegen, the oldest city in the Netherlands.

Whether cruising along its waters, exploring historic towns, or simply soaking in the scenic views, the Rhine River offers an experience that is as diverse as the countries it passes through.

Located on the coast of Queensland, Australia, Airlie Beach is a favorite stop for cruises along the Great Barrier Reef. This coastal paradise offers spectacular beaches and easy access to the Whitsunday Islands, Conway National Park, and, of course, the Great Barrier Reef.