If you visit Honolulu simply for the wide Pacific beaches, the striking views of Ko'olau's pali (cliffs) and the laid-back "aloha" feeling, you'll be missing out on much this city has to offer.

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.

It's the East Coast's answer to Las Vegas. Atlantic City's casinos draw tourists by the car- and bus-load, but even if your main objective is to play some blackjack, you'll want to save time for sightseeing.

Strolling through Madrid is a great way to see the lavish Royal Palace, the 16th-century Puerta del Sol (Sun's Gate) marking the center of Spain, the old Moorish quarter of Moreria and much more.