Buildings and structures in the Harz

Palace of the Holy Roman Empire

German university

observation tower in Harz

sports venue in the Harz, Lower Saxony, Germany

thumb|Romkerhall thumb|Romkerhall hydropower works alt=Okertal|thumb|Romkerhall mit Kraftwerk und Wasserfall Romkerhall (also frequently called Romkerhalle) is a popular tourist destination on the River Oker in the Harz Mountains of Germany. There is a public car park here as well as a hotel and restaurant opposite the Romkerhall Waterfall. Romkerhall lies within the unincorporated area of Harz in the Lower Saxon county of Goslar in the Harz Mountains. The hotel and waterfall form a small tourist attraction which is marketed as the "Kingdom of Romkerhall - the smallest kingdom in the world!" (