If “Ripley’s Believe It or Not!” had a book devoted to travel, three entries could be: 1) banana is a popular pizza topping in Sweden; 2) Alaska is both the westernmost and easternmost U.S. state; and 3) roughly eight of every 10 Americans have never cruised. Except for proponents of tomatoes being the only fruit that belongs on pizza, perhaps the most mind-boggling of the above is how many among the U.S.