Volunteering and travel, or voluntourism, is on the rise. There are so many options when we travel, and the idea of working on projects that help others on the planet is growing, especially among baby boomers. Sometimes, in terms of air travel, getting to the volunteer sites can be the biggest challenge.

Our About.com guide to Adventure Travel has outlined the principles of voluntourism, and ways to get involved. In her words "Combining a vacation or trip abroad with volunteering on local projects is one way you can immerse yourself in local cultures and make a difference."