Its Excel-class ships offer the Bolt roller coaster, a first-of-its-kind attraction at sea, and each new ship pushes the bar further. Related: Carnival Cruise Line shares strict dining rule ...

and a second pier to accommodate Carnival's largest Excel class ships. (It plans to debut three larger ships starting in 2029.) Travelers are already booking Carnival cruises to Celebration Key ...

Carnival has five new ships (three in a completely new class) arriving between now and 2033. The 3 non-Excel-class ships will be megaships, but it's not clear whether they will be larger than the ...