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.

Puerto Morelos, a peaceful village on the Mayan Riviera, offers visitors a glimpse of the real Yucatan. Closer to Cancun airport than Cancun is, Puerto Morelos makes an excellent base for those seeking someplace quieter than glitzy nearby hotspots, Cancun and Playa del Carmen.

The sound of music lures fans both of classical music and of Julie Andrews to Salzburg. Most sights are within walking distance of the city center.