When the 2,224-passenger, 46,328-ton, 882-foot-long RMS Titanic debuted in 1912, it was a marvel of engineering the likes of which had never been seen before. Today, it’s practically a dinghy. The largest ship in the world, Royal Caribbean’s Allure of the Seas, clocks in at 225,282 tons, 1,187 feet long, and can carry a maximum of 6,296 passengers. (Interestingly, Royal Caribbean’s Oasis of the Seas, which debuted a year earlier, weighs the same and has the same capacity, but is two inches shorter in length.) Of course, this will all be irrelevant next month, when Royal Caribbean debuts the Harmony of the Seas, which is just a bit larger in every aspect: 227,000 tons, 1,188 feet long, and an 8,185-passenger capacity.