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.

If watching the sunrise from atop a 10,000-foot volcano, swimming under waterfalls, hiking through craters and luxuriating on white-, red- and even black-sand beaches sounds like paradise, then Maui awaits.

Where else are Ernest Hemingway and Jimmy Buffett equally revered? Key West is a sunny, fun destination with enough sights to keep you busy when you're not snorkeling, parasailing or catching some rays.

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.