Midway between Salzburg and Vienna, Linz boasts beautiful Baroque buildings, including Old Town Hall and the Old Cathedral, Alter Dom.

Boise, Idaho, often surprises first-time visitors with its dynamic mix of western history, creative culture, and easy access to outdoor experiences. Nestled at the base of the Boise Foothills, the city has grown from a 19th-century outpost into a capital city with a distinctly independent spirit. The downtown core is walkable and welcoming, where historic buildings now house coffee shops, craft breweries, and local boutiques.

Remote, windswept, and bursting with wildlife, South Georgia is a sub-Antarctic island that surprises nearly everyone who steps ashore. Though uninhabited by civilians, the island hosts a small British research station and welcomes visitors via expedition cruises. What draws people here is not luxury or convenience, but the scale of its wildness.

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).

Khartoum, the capital of Sudan, sits where the Blue and White Nile rivers meet, creating a unique landscape of waterways, islands, and riverbanks.