Visiting popular ports and offering tons of fun both at sea and on land, the top Caribbean Carnival cruises are 4 to 6 nights, but you can take cruises that last up to 10 nights. Take in the majestic beauty of Reach Falls in Jamaica, or explore the island of Grand Cayman on horseback. Bird lovers will adore Belize, which is home to several beautiful species, and active types can windsurf in the calm blue waters. In Cozumel, go snorkeling on Palancar Reef, which offers excellent visibility and plenty of colorful coral, sponges, and sea life.

Carnival cruises to the Bahamas combine sun and sand with the rich history of the islands. Itineraries range from 2 to 8 nights, but the most popular voyages last from 4 to 5 nights. Take a tour of the historic Balcony House Museum, the oldest residence in bustling Nassau. When you're ready to just let it all go, lay out and relax on Xanadu Beach in Freeport. Admire the wonders of the natural world at the beautiful Key West Butterfly and Nature Conservancy.

Cruise through Mexico for 3 to 7 nights with Carnival for an unforgettable experience at sea. Make space on your camera to snap a shot of the world-renowned El Arco, an impressive rock formation in Cabo San Lucas, or cliff dive with the best in Acapulco, which is known for the daredevil sport. If you're not quite through with your adventure, take a thrilling zip-line ride in Mazatlan, and then wind down with a stroll down the Puerto Vallarta boardwalk.