A great poem asks us to see what we ordinarily don’t take time to notice. When was the last time you peered into a sidewalk crack? Examined a pitcher plant up close? Watched sea horses dance at sunrise? Or, sightless, had the world read to you by another? As Walt Whitman so famously put it, “a mouse is miracle enough to stagger sextillions of infidels.” Here four great contemporary poets show us the world anew.