Do you mean "I want to fill a pack and hike into the backcountry where wild animals live" or do you mean "I want to ride trains and walk and take busses and see cities and countries and other civilizations with nothing but the pack on my back"? if the first is your preference you're in the right place. If the second, you're looking for something more like http://www.backpackeurope.com/
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"In the beginner's mind there are many possibilities. In the expert's mind there are few." Shunryu Suzuki

http://hikeandbackpack.com