"peeking out" is a perfectly acceptable and commonly used expression in written English.
For example, you might say, "The sun was just peeking out from behind the clouds."
You can see the staircase peeking out on the left side of the image.
They overlap like stuck-down layers, with heads and hats and faces peeking out fragmentarily.
Less obvious, but peeking out from time to time, were her tattoos.
Braided loaves with colored eggs peeking out, from just about everywhere.
My last memory of her is peeking out from under her covers to say goodbye.
A gesture from the beginning returns: a dancer's head peeking out from behind her arms.
Maybe the safest way to watch it is by peeking out from a behind a sandbag.
After some requisite diving and searching, Maxim found Nadja peeking out from under the keel.
Besides, the belt was peeking out from underneath the vest when I stood up straight.
It had fresh seafood, a sophisticated atmosphere and a raccoon peeking out from a ceiling panel.
And thus the self-consciously "modern" fenestration peeking out from behind the arched stucco walls.
