Volunteers For Peace promotes International Voluntary Service as an effective means of intercultural education, service learning and community development. We provide projects where people from diverse backgrounds can work together to help overcome the need, violence and environmental challenges facing our planet. We organize and promote projects where nations join together to improve life on our planet and volunteers experience a microcosm of our world ... read moreMost of their projects are in the summer months and last 2 to three weeks, but a few longer-term projects last up to a year. For most people, their registration fee is only $300 (a low cost for many volunteer opportunities) and you have to arrange your own transportation.
Check out their Facebook page and here's a sample of some of the work they do in Ireland, but they have opportunities around the world.