At the end of the year, travelers tend to look back at where they’ve been in the past 12 months and which destinations will land on their travel lists in the New Year.  Perhaps your favorite travel memories are those with friends, quality time with family, big changes in your life, or a much-needed vacation that expanded your perspective and gave you a travel experience you’ll never forget. From Los Angeles to London, these are the 20 Most Visited International cities of 2015, as selected by our guest author. Did your favorite travel destination make the list?20 Most Visited International Cities of 2015