Pai Men Miyake in Portland, Maine, is one of the best ramen/yakitori shops I've been in.
The yakitori was great. My favorite was the beef tongue above, but the hen of the woods mushrooms (at bottom) was enchanting.
But what amazed me was the pork buns, which featured pork belly, a spicy pepper relish, and gochujang mayo. Soooo good that I would say that they were as good (Amy says better) than Momofuku's pork buns. And everyone knows what a fan I am of those.
And the ramen soup (below) was amazing, as well. If you are in Portland, this is the place to go. Right across from the Longfellow statue.