Sitting at the top of a miles-tall mountain on a really clear day in Utah, and watching a tiny speck of a helicopter take off in the valley and go towards Idaho. I could hear the helicopter as if I was immediately next to it. I could also make out the state line, and watched it cross.
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan