The motto of many travelers: Ditch modern civilization and go wild! (Just be responsible about it.)
We all want to give back, just not always on vacation. The world is full, unfortunately, of people and places in need. Instead of a beach vacation, lead a tour through the Grand Canyon. In lieu of a ski break, kayak near Fiji.
From Antarctica to Bhutan, Lonely Planet put together a list of the 10 most sustainable travel experiences.