Every once in a while there's an article by a travel writer singing praises of an active vacation where travelers do eco-stays on working farms or help weave ro

Every once in a while there's an article by a travel writer singing praises of an active vacation where travelers do eco-stays on working farms or help weave rope for hanging bridges. On one hand, that sounds cool. On the other, I've found it very hard to find stuff like that, and I wonder if those activities are just makework for bored rich tourists.