Excessive travel is terrible for the environment. You can easily generate many times the amount of carbon dioxide you would emit by driving for a year, simply by taking a long plane flight or two. http://www.nytimes.com/2013/01/27/sunday-review/the-biggest-...

Travel is nice, but not when you do it just to brag about having gone to X countries in Y days. Then it just becomes a status thing, and is, as the author notes, "kind of douchey." The internet, good news sources, and documentaries can broaden your horizons even without leaving the house.