I went to interview some of these early Jewish colonial zealots—written off in those days as mere ‘fringe’ elements—and found that they called themselves Gush Emunim or—it sounded just as bad in English—’The Bloc of...

These squatters aren’t just aliens, drifters and undesirables. They’re new world barbarians, conquering free spaces and making them their own.

Residents of the squatter community of Christiana, Denmark, for example, have a Christmastide ritual where they dress in Santa suits, take toys from department stores and distribute them to children on the street, partly just...