The content originally appeared on: CNN 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) - This week in travel, the United States declared Canada a 'very high' risk destination, the world's most powerful passports for 2022 were revealed and Turkmenistan's president called for the country's 'Gates of Hell' […]