Located northwest of Cairo on the Mediterranean coast, Alexandria is one of Egypt's most spectacular cities and an important historical, industrial, and economic center for the country.

Guinea, located on the west coast of Africa, offers a rich blend of landscapes, cultures, and traditions that remain largely untouched by mass tourism. Its Atlantic shoreline is dotted with fishing villages and sandy beaches, while inland, rolling highlands and dense rainforests give way to sweeping savannas.

Badlands National Park stretches across southwestern South Dakota, where layered rock formations and sharply eroded spires reveal nearly 75 million years of geological history.

Warnemunde (or Warnemünde) is a port city in Germany and a frequent stop on many Northern European cruises. Across the Baltic Sea from Denmark's capital, Copenhagen, this charming seaside city has a number of delightful attractions, including the Warnemünde Lighthouse, a variety of local shops along the marina, and surfing lessons on the beach.

Whether cruising along its waters, exploring historic towns, or simply soaking in the scenic views, the Rhine River offers an experience that is as diverse as the countries it passes through.