Backpacking / Guides / Tube / Cheapest

http://en.wikipedia.org/wiki/Backpacking_(travel)

http://www.backpacker.com/
http://www.thinkbackpacking.com/
https://backpackinglight.com/
http://www.thebackpackerco.com/

https://www.youtube.com/results?q=Backpacker
http://www.studentuniverse.com/travel-guides/top-lists/backpacking/top-10-cheapest-countries-to-backpack-through