Cusco is the South America's oldest continuously inhabited city, the gateway to Machu Picchu and once was the capital of the Inca Empire. Make sure you get to Plaza de Armas, the main square and center of the city. Walk through the nearby San Pedro Market to find a special gift for loved ones (or yourself!) or view the Sun Temple Coricancha.

A tributary of the Rhine, the Moselle River flows through France, Luxembourg and Germany. The Moselle also lends its name to a region of France, a valley which it bisects, and a wine produced along its banks.

There's more than meets the eye in Savona, a Northwest Italy port city many cruise ship passengers are lucky enough to find themselves in. The giant Fortezza del Priamàr looms over the water, providing a unique welcome. Be sure to stroll through the city's genteel, impressive medieval center, visit the beautiful Savona Cathedral and see marvelous artistic works from centuries past at the Ceramics Museum.

One of Africa's most popular game reserves, Maasai Mara is located in Narok, Kenya, near the border of Tanzania. Named in honor of the Maasai people, this park is populated with wildlife including elephants, lions, zebras, and leopards.

Seen from the train, Durham presents a magnificent sight, with cathedral and castle perched atop a bluff enclosed by a loop of the River Wera, and linked to the suburbs by a series of sturdy bridges.