Bill L.
Google
Been here 21 years ago, didn't get a chance to comment on this simple but somehow critical place of the entire Germany history.
It's no fancy interior decorations, but the wall full of all the kings since 9th to 19th century, will show you the importance of where you stand.
Take a look at the Romer Square from the window, you will get the whole view of it like no other place can offer.