What: Global Citizens Network brings volunteers into some of the most beautiful but economically depressed areas of the country: Appalachia, the Navajo Nation reservation, and the Quileute reservation on Washington's Olympic Peninsula. Visitors take on such tasks as building fences, writing grant proposals, and planting gardens.
Duration: Eight days
Volunteers pay: $800, which covers meals and a sleeping area on the floor of a community center (GlobalCitizens.org)
Grow your life! Get an exclusive look at Oprah's new farm, uncover 28 fresh ideas for happier living, and learn Bob Greene's top secret to eating smarter. Plus, find out how you can win a trip to Hawaii to have lunch with Oprah!