Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Vanuatu, a chain of 83 islands in the South Pacific, offers travelers an experience that’s both bold and deeply rooted in custom. Once known as the New Hebrides, Vanuatu blends ancient Melanesian traditions with dramatic landscapes shaped by volcanic activity. On Tanna Island, visitors can stand at the rim of Mount Yasur, one of the world’s most accessible active volcanoes, and watch fiery eruptions light up the night sky.

Yucatán, a Mexican state, is popular for its Gulf of Mexico beach areas and spectacular Mayan ruins. It is bordered by the states of Campeche and Quintana Roo.

Located on Ecuador's central coast, Manta is a port city frequented by many South American cruises. Manta is known for its delectable seafood and variety of pleasant beaches.

Zambia, a landlocked country in southern Africa, is celebrated for its dramatic landscapes, diverse wildlife, and warm hospitality. Known as the “real Africa” by many travelers, it is home to some of the continent’s most famous natural wonders and national parks.