If you want to be a responsible traveler in 2020, do the world a favor and avoid places like Angkor Wat,
Barcelona, Bali and the Matterhorn.
"Every year, we use the No List to highlight issues that we're thinking about before, during, and long after we travel," said Fodors.com editorial director Jeremy Tarr in a statement.
If you don't want to add to problems of overtourism, editors suggest avoiding places like Barcelona, Big Sur, Angkor Wat, Bali and Hanoi, which are bursting at the seams and experiencing unsustainable visitor numbers to the detriment of locals and the environment.