Airbnb recently released a list of the top 20 cities around the world that have seen the most growth in bookings for 2020. Based on that list, here are the 10hottest travel destinations of 2020. br 1. Milwaukee,Wisconsin br 2. Bilbao, Spain br 3. Buriram,Thailand br 4. Sunbury,Australia br 5. Romania br 6. Xi'an, China br 7. Eugene, Oregon br 8. Luxembourg br 9. Guadalajara,Mexico br 10.