Yes, I see what you mean - particularly in #1 & #4.
I've never flipped my pictures just to see what they'd look like. Maybe I should start trying it.
I suppose we all see differently, but here are two of my pictures which (I hope) might qualify as tricky:
(K10D / Vivitar 90 macro @ f2.5)
Yeah, just two poppies. Maybe you can guess why I posted them?
Which flower do you think is nearer to the camera?
My eyes tell me the lower flower looks nearer.
In fact, the upper flower was closer to the camera. The lower blossom was about 18 inches (45 cm) farther away from the camera than the upper blossom was.
(K-7 / Pentax F 100-300 @ 100, f/8)
Ok, I cheated on this one. I've rotated it from its original orientation. But, this is the way I first saw it on my computer screen - so that's the way I want you to see it, too.
To my eyes, the storm drain seems to skew back and forth. If I didn't know which way was up, it'd be hard for me to discern the orientation of the drain within the pavement.
(I rotated this picture counter-clockwise for posting here. The drain should be at the top of the photo.)