Mountain views, raucous nightlife and a C-shaped bay with a plethora of beaches make Acapulco a more upscale, yet reasonably priced, escape than its spring-break cousin, Cancun.

Paphos, the capital of western Cyprus, has some serious historical clout. Site of the vast fourth-century BC Tombs of the Kings, set high on a cliff above the sparkling sea, as well as a dramatic Byzantine castle and fine mosaics, it's also known as the birthplace of the goddess Aphrodite.

Historic and modern, European and Asian — that's Istanbul. The city at the junction of two continents is home to ancient structures like the Hagia Sophia and the Blue Mosque in the Old City, as well as modern businesses, hotels, restaurants and nightlife in the New City.

Coveted by empires and republics throughout its history, Innsbruck was the seat of the imperial court of Maximilian I by the end of the 15th century.