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.

Travel to Johannesburg, the cosmopolitan city at the heart of South Africa, and find some of the country’s most iconic landmarks. Replete with cultural excursions, historical sites, and superb restaurants, Johannesburg has plenty to explore.

Tralee is the county town of Kerry, set between Tralee Bay and the foothills of the Dingle Peninsula in southwest Ireland.

Kasane sits at Botswana’s northeastern edge, where the Chobe River meets the borders of Namibia, Zambia, and Zimbabwe. Its development is closely tied to river transport, regional trade, and wildlife management.

The River Nile, most often associated with Egypt and its ancient civilizations, actually flows through eight other countries including Uganda, Ethiopia, Sudan, and Kenya. It is formed by two major tributaries, the White Nile and Blue Nile, and is considered by many to be the longest river in the world when measured from its source waters in Rwanda and Burundi.