“We are a nation of immigrants.” We’ve heard it so often, and of course it’s true. Yet it’s not just Americans but all people everywhere who are travelers and seekers, as far back as we can trace. Whence comes this constant searching? Where do we come from and why? Is it for food, for freedom, to scratch an itch, or satisfy an ill-defined yearning? And when will we ever be at home? And perhaps the greatest question of all, being strangers ourselves, how will we treat our fellow travelers?