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.

Papua New Guinea is made up of the eastern half of the island of New Guinea, called the mainland. Papua New Guinea is bounded on the north by the Bismarck Sea; on the east by the Solomon Sea; on the south by the Coral Sea, the Gulf of Papua, and the Torres Strait; and on the west by the Indonesian province of Irian Jaya.

Kona started as King Kamehameha I's government seat, and is now a popular tourist destination with key landmarks like Hulihee Palace, as well as coffee farms, shopping and dining.

Chile is one of the longest countries in the world, with more than 6,000 miles of coastline; it contains countless beaches for trout fishing, watersports and sunbathing. Cruise ships traveling around South America dock at its many ports, and one can't help but become enveloped in the festive Latin American culture.

Delhi is a sprawling metropolis in North India that contains the country's capital, New Delhi. Life is abuzz and hectic here, with traffic going every which way. A huge population shuffles through Delhi's streets, alleys and food and spice-selling bazaars, and it's quite memorable to be a part of it all.