The Namib Desert, one of the world’s oldest deserts, stretches along the western coast of Namibia, offering a landscape of stunning, otherworldly beauty. The name “Namib” means "vast place," and fittingly so, as this desert spans over 2,000 kilometers and includes some of the tallest sand dunes on Earth, such as those found in Sossusvlei.

Wertheim is an enchanting town on the banks of the Main River in Germany. A favorite stop on European river cruises, highlights of this charming destination include the Wertheim Castle and the town center, where you can wind your way down cobblestone streets replete with 16th century architecture. Venture outside of town and follow the Tauber River to Kloster Bronnbach, an immense and ornate monastery dating back to the 12th century.

This southern Mexican state borders Guatemala. Its mountainous highlands and dense rainforest are dotted with several Mayan archaeological sites and Spanish colonial towns.

This small cruise port is located in Mexico's Yucatan peninsula south of Playa del Carmen, near Belize. It is famous for Chacchoben, a breathtaking set of Mayan ruins. The port has a new and modern shopping mall and the central plaza has saltwater pools and 'swim-up' style bars for tourists to enjoy.

This quaint town on the Rhine is the gateway to the Black Forest and lies halfway between Freiburg and Colmar. As you walk the cobblestone streets, stop to sample local schnapps made from fermented pears or cherries and the distinctive smoky ham of this region. St. Stephan's Cathedral perches on a hillside and is the exquisite centerpiece of the town.