Photo 2 makes me itch to play with the curves in Photoshop for it a little, it could "jump out" more if you darkened it just a tad and upped the contrasts an equal tad.
This park looks huge in your first photo, and very much waiting for spring to come round at last. I wonder if my first impression is right or whether it is the wide angle you used here that makes me feel it is so large? And I think the blue colour of the bench adds to the feeling I get from this photo that this park waits for spring to finally come round.
The very centred barbecue spot in the last does not speak to me much, a shifted angle might have made it more interesting.