Khartoum, the capital of Sudan, sits where the Blue and White Nile rivers meet, creating a unique landscape of waterways, islands, and riverbanks.

Cape Town, located at the southern tip of South Africa, is one of the world’s most striking coastal cities. Towering over it is Table Mountain, a flat-topped landmark that can be reached by cable car or on foot, offering sweeping views of the city, ocean, and beyond.

Guatemala is a country where ancient history and living tradition meet in unexpected ways. The ruins of Tikal, once a major center of the Maya civilization, rise from the dense Petén jungle. Visitors can climb stone temples that pierce the forest canopy and listen for howler monkeys echoing through the trees. Tikal National Park, a UNESCO World Heritage Site, contains over 3,000 structures and still holds secrets under layers of earth and vegetation.

Georgia's second largest city, it is located between the Caspian and Black seas. Dating back to at least the sixth century, it has outstanding museums.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.