Until you and I detach from all things, until we can let go of the illusion of control, we remain incarcerated, as it were, incapable of knowing the "abundant life" as Jesus called it -- which explains much of the division that is our world.
You may have noticed that a strong thread of lightheartedness, humor and flexibility weaves throughout all of these concepts. And if you were to adopt a little bit of those as a daily practice, you'll have no choice but to have a healthier, happier life in the long run.
Your brain is supremely skilled at filtering out the familiar and telling you only about what matters - namely, change. Travel bypasses that filter and awakens your senses by confronting you with the unfamiliar.