I visited this WHS in November 2014. I visited all 3 inscribed parts namely Goslar, Rammelsberg and the Upper Harz Water Management System although I only glossed over the latter part due to the freezing temperatures outside. Goslar's Historic Centre is very quaint and is a miniature version of Quedlinburg. It has several half-timbered houses one next to the other and a splendid square with an interesting restored Rathaus and a Glockspiel. I was lucky to visit Goslar when there was a special Xmas Market rated as Germany's Best Xmas Market 2014. The highlights of Goslar were the Imperial Palace, the Cathedral Porch and the Frankenberg area and church. I found this area to be the most authentic with no restaurants or shops and a really pretty fountain. In Rammelsberg, the several pine trees were already white with some snow and frost and this really created a superb setting for the huge industrial complex. The highlight in Rammelsberg though was definitely the underground visit where the temperature (12 degrees) was much warmer than outside (-3 degrees)!