ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Islamic and French influences blend together in charming Casablanca, Morocco’s iconic coastal city. Frequently used as a port for Spanish and Mediterranean cruises, Casablanca lies halfway between Marrakesh and Fes and is the perfect entryway for exploring the rest of Morocco.

Ambergris Caye, the largest island in Belize, is the country’s premier destination for both relaxation and adventure. Just off its shores lies the Belize Barrier Reef, offering some of the world’s most spectacular snorkeling and diving.

A popular tourist destination in Mexico's Quintana Roo, Playa del Carmen is a coastal playground with plenty of nightlife, dining, and shopping.

The Cook Islands, a group of 15 islands scattered across the South Pacific, offer a rare blend of Polynesian tradition and laid-back island charm. Rarotonga, the largest and most visited island, is ringed by a turquoise lagoon and backed by lush mountains. Visitors can circle the entire island in under an hour, stopping along the way for fresh coconut, beachside cafés, or a quick swim in the clear lagoon.