Guests onboard Carnival Vista participate in SkyRide, an opportunity to pedal hanging recumbent-like bikes around an 800-foot-long suspended track some 150 feet above the sea. The largest and most innovative cruise vessel in Carnival Cruise Line's fleet, Carnival Vista measures 133,500 tons, 1,055 feet long and has a guest capacity of almost 4,000 passengers. Photo by Andy Newman/Carnival Cruise Line

Guests onboard Carnival Vista participate in SkyRide, an opportunity to pedal hanging recumbent-like bikes around an 800-foot-long suspended track some 150 feet above the sea. The largest and most innovative cruise vessel in Carnival Cruise Line's fleet, Carnival Vista measures 133,500 tons, 1,055 feet long and has a guest capacity of almost 4,000 passengers. Photo by Andy Newman/Carnival Cruise Line