Tongatapu, the main island of Tonga, is where tradition, history, and the South Pacific’s natural world intersect in quiet and unexpected ways. As the political and cultural center of the Kingdom of Tonga, it is home to the capital city, Nukuʻalofa, as well as ancient royal burial grounds, dramatic coastal blowholes, and friendly villages where daily life unfolds slowly.

French Guiana, tucked between Brazil and Suriname on the northeast coast of South America, offers an unexpected blend of Amazonian wilderness, colonial intrigue, and French flair. As an overseas department of France, it uses the euro, speaks French, and has croissants alongside cassava bread at breakfast. Yet just beyond the cafés of Cayenne, vast rainforest stretches for hundreds of kilometers, home to rare wildlife, remote rivers, and Indigenous communities.

Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

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.

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.