The world’s largest cave castle

(CNN) — Predjama is one of the most extraordinary castles in the world, built in the mouth of a cave complex at the end of a valley in southwest Slovenia.Set halfway up a 400-foot (123-meter) vertical cliff face, it appears in records from 1202 and is listed by Guinness World Records as the world’s largest…

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Video: ‘Once in a lifetime’ rare blanket octopus spotted in Australia

JUST WATCHEDVideo: ‘Once in a lifetime’ rare blanket octopus spotted in AustraliaReplayMore Videos …MUST WATCHThe rainbow-hued octopus, seen swimming on the Great Barrier Reef, was caught on video by marine biologist Jacinta Shackleton.Source: CNNTrending Now (15 Videos)Video: ‘Once in a lifetime’ rare blanket octopus spotted in AustraliaSee how ‘SNL’ spoofed NYC mayorSee Megan Fox’s engagment…

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20 of the world’s best soups

(CNN) — If a steaming bowl of soup strikes you as the ultimate in old-fashioned comfort, you’ve got plenty of company. Soup is one of the world’s oldest and most universal foods, said Janet Clarkson, author of the book “Soup: A Global History.” “Every culture has some kind of soup,” she said. “It’s got very…

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Why airplanes might soon have just one pilot

Editor’s Note — Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations opening and closing, inspiration for future adventures, plus the latest in aviation, food and drink, where to stay and other travel developments.(CNN) — If you boarded a passenger plane in 1950 and peeked into the cockpit, you would…

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