When you look at things from outer space, they're bound to seem a bit smaller than they actually are. It's no wonder then that we feel as though Alaska is actually a lot closer to mainland Europe (more specifically, Siberia, Russia) than we would have previously thought. This is just something to reflect on throughout your next road trip across the entire state of Alaska. You know, some food for thought.
The actual boundary between the US and Russia lies between the Diomede Islands, which are smack-dab in the middle of the photograph. Not sure what one's supposed to do with this information, but there you go.