With well over a million and a half miles of international air travel under his belt and over 20 years on the road, The Traveling Professor has learned a thing or two about travel and how to travel smart. There are a few things every international travel should do, but there a few critical mistakes an international traveler should avoid. All of the travel mistakes The Professor points out are easy to avoid too and The Professor tells you how. Check out today's international blog post to see the 5 worst mistakes an international traveler can make. We welcome your comments too.