Houston hums with an energy and independent spirit all its own. A leading cultural and culinary destination in the South, the city is home to over 11,000 restaurants featuring cuisine from more than 70 countries. The thriving arts scene includes resident opera, ballet, symphony and theatre companies. The Museum District houses 19 museums, all within walking distance. Be sure to visit Space Centre Houston, where you can visit NASA’s Historic Mission Control at the Johnson Space Centre.

This beautiful fishing village is a Nicaraguan gem, a magnet for surfers and sunbathers. At night, the beach still pulses with activity, thanks to a few popular beachfront bars and nightclubs. Surf clubs abound—catch a wave with an expert instructor if you’re a hang-ten rookie, trying to hang with the surfer big boys.

Welcome to the Nature Island. Remote, affordable and, as yet, unspoiled, Dominica deserves more than a day's visit from your cruise ship. Spend a week (or more) exploring mountains covered by tropical rainforest, endless hiking trails, some 40 dive sites and black-sand beaches. You'll soon be plotting ways to return every year.