I thought this was awesome. Check out this Hoover Dam visitor’s Instagram video … she’s pouring water over the side of the dam and it’s flowing UP and not down!
It seems the updraft of the wind on the dam was strong enough to create this very cool (and yet super weird) phenomenon … just click on the image above to watch it on @leslieh138’s Instagram channel! You’ll need to click on the image once you are on Instagram, FYI.