Incheon, South Korea
While you've likely heard of Seoul, the neighboring city of Incheon should also be on your radar; it's a long-time transportation hub and home to the massive Incheon International Airport. Bookings are up 87 percent over last year. During the holidays, the streets are illuminated by twinkling lights, Christmas carols, and lots of tasty local treats—you haven't had a true Korean Christmas until you've had a saeng cream cake. Find out our favorite Christmas traditions from around the world.