Yes, it is spring–a time when warmth, love and even March Madness are in the air. Trees bud, bears come out of their caves, and humans get the sudden urge to travel.
Science still is unsure what it is in humanity that causes this urge to migrate, or why it has to be some place the individual or their offspring has never been. The current theory is that in ancient times, Neanderthals survived when the seasons changed, by grabbing their primitive cameras and hopping on buses to see big piles of rocks they had learned about in history class. This was a very short class, since nothing had happened yet.