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A long layover doesn't have to be an exercise in boredom. Make the most of your extended stay by escaping the airport and checking out a new destination with these incredible tours—some are free!
If you find yourself at South Korea's Incheon Airport for more than three hours, take a free transit tour and escape the airport for a little while. (Passengers on the tours can enter the country without visas.) The tours, which range from two to six hours long, are totally free (although you'll have to pay for food and any attractions that you wish to enter). Stay close to the airport with the Temple Tour in Incheon, or venture farther out with the Highlight of Seoul City Tour.
Read the Entire Story: 10 Great Tours You Can Take on a Layover.