Some towns sit atop a fire that has been burning underground for more than 60 years. Others fit nearly every resident inside a single 14-story building. And these are just the beginning. Across the globe, there are places where the rules of everyday life look very different from what most of us grew up with, shaped by extreme landscapes, surprising history, and the people stubborn (or brave) enough to call them home. Scroll down to meet the places that will change how you picture a "hometown."