Lake Tana, located in the northwest of Ethiopia, is the country’s largest freshwater lake and the source of the Blue Nile. Its calm waters are dotted with more than 30 islands, many of which are home to ancient monasteries adorned with religious paintings and manuscripts.

The Chobe River forms the northern boundary of the Chobe National Park. Animal lovers and safari enthusiasts know it as the place where the elephants congregate during winter's dry season and migrant birds are in full color during the wet summer months. The river itself is actually a section of the Cuando River, known as the Chobe from the seasonal lake Liambesi to its outflow at the Zambezi River.

Billings, Montana sits on the edge of the vast plains and at the base of ancient sandstone cliffs known as the Rimrocks. These formations frame the city and provide miles of scenic overlooks, hiking trails, and even fossil beds. From Swords Park, visitors can walk or bike along the paved trail that follows the rim’s edge, offering sweeping views of downtown, the Yellowstone River, and distant snowcapped peaks.

Guadeloupe's major center is Pointe-à-Pitre, a conglomeration of old and new buildings clustered around the bustling harborside market. Pointe-a-Pitre is Gudeloupe's most popular city--explore the beaches of Grand-Terre and the French fort ruins and volcanic mountaintop of Basse-Terre.

A series of gates surrounds the two centers of ancient, medieval Fez (sometimes spelled Fes). The principal axes link the center to the gates and a street surrounds the heart of the old city. The Kairouan quarter, which is longer, is crossed by an artery. Narrow, tortuous pedestrian streets, covered passages, stairs and numerous dead-ends make up the dense layout with few urban squares.