Exuberant and affordable, Carnival’s newest ship continues in the vein of its sister ship, Carnival Vista. With some excellent dining options, an eye-popping water park, and upgraded lodging that brings another dose of modernity and style to Carnival’s fleet, all of the Vista-class ships—and Carnival Horizon in in particular—break the strictly cheap-and-cheerful mold that’s come to typify the world’s largest cruise line. Here’s what we saw on a recent stay on Carnival Horizon.