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.

Venice makes you a believer in fairy tales. Cars are banned, so the only way to get around the 1,500-year-old city is by foot or by water.

One of Hawaii's most interesting historic towns, the former Hawaiian capital also has a rich Yankee whaling history. In the 1800s, Lahaina was the center of the global whaling trade and its beautiful Historic District is a National Historical Landmark.

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.