

San Juan, New Mexico
The Four Corners monument sits on the geographic point at which four states - Arizona, Colorado, New Mexico and Utah - meet. To be honest, given the American love of straight lines, I regard it as something of a miracle that this sort of thing doesn't happen all over the country - take a quick look at a map, and it quickly becomes clear that the United States must be one of the few places on Earth that hasn't spent its entire history squabbling about boundary lin...