Hoi An, one of 15 cities across the world that should be at the top of your travel bucket-list

Every year Travel + Leisure asks readers to weigh in on travel experiences around the globe — to share their opinions on the top cities, islands, cruise ships, spas, airlines, and more. Readers rated cities on their sights and landmarks, culture, cuisine, friendliness, shopping, and overall value. This year"s group of winners span the globe, from market-filled Hoi An in Vietnam to Florence, a European culture capital. Of note, however, is what ties these contenders together: Almost all are pedestrian-friendly, possess ample green space, and have a rich history that"s being thoughtfully preserved as the city grows.