Stare at the Red dot 30 thirty seconds, then look at a wall and blink quite fast.
50% ppl see this pic full of pointy spike, 50% saw a bubble surface.
Is the cup full or empty?
This post from Eric Andre doesn't look like one picture.
A fence that looks like a lake.
This rock is actually in the water.
This is a mirror not a canvas.
Mike Pence's daughter is a vampire.
Different kind of illusion - find the cell phone in this picture.