I don’t know where the center of the universe is (it might not even be knowable) but I know where The Center of The Universe is, exactly! Here’s a picture of it, in fact:

Yup, that’s it! Not what you were expecting? The singularity that created the expanding universe is likely still located at its center, and this structure is both singular, and labeled:

I work about 100 meters from The Center of The Universe, and you can visit it, as it’s located on the campus of the University of New Mexico in Albuquerque.

Pretty neat!