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).

Panajachel, on the shores of Guatemala’s Lake Atitlán, is a vibrant town framed by volcanic peaks and the shimmering waters of one of the world’s most picturesque lakes.

Sucre, Bolivia’s constitutional capital, is a city steeped in history and colonial charm. Founded in the 16th century by the Spanish, it played a pivotal role in South America’s independence movements, earning its place as the birthplace of the Bolivian Republic.

Bikini Atoll, a remote ring of islands in the Marshall Islands, is one of the most sought-after wreck diving locations in the world. These underwater sites are preserved in a time capsule-like state, providing a rare look at history submerged in a silent world of coral and marine life.

Dakar, the lively capital of Senegal, stands at the edge of the Atlantic Ocean on the Cape Verde Peninsula. As the westernmost city on the African mainland, it has long been a crossroads of cultures, trade, and ideas.