Yellowknife Bay was named for an area in the Canadian Arctic where Grotzinger worked as a young man, which has rock formations nearly four billion years old.

NEWYORKER: The Martian Chroniclers

You can't get much further out than Cambridge Bay -- hidden away in Canada's arctic Nunavut territory, this sleepy town is only reachable by plane, boat or Google Maps.

ENGADGET: Google mapping out Canada's Nunavut territory with local community, Street View trike