Want to run away and live in a sustainable treehouse community? Go to Finca Bellavista in Costa Rica. You can build your own stilthouse or other "arboreal dwelling", as long as it abides by the community guidelines , which include such things as small square-footage structures, getting rid of waste through a compact biodigestor, and...

This recent New York Times piece highlights old age as a never-ending adventure, but there are far more desperate, fundamental reasons why elderly people are deciding they'd rather be abroad than at home. Here are three less-discussed motivations for senior long-term travel (the first two are illustrated below by Lawrence Osborne 's unflinching Bangkok Days...