Staircase leading to the pipe organ at Erfurt Cathedral
"The Nürnberger Chörleins often served as private chapels with a sort of choir protruding onto the street. But purely profane use is also widespread. This clearly visible architectural feature probably represented a certain prosperity anyway." -- Travelwriticus.com
Site of the Augustinian monastery and church where Martin Luther stayed on his way toward Rome in 1510/1511.