Catherdal of Freiburg
The original Freiburg Cathedral, was founded by Conrad, Duke of Zaeringen in the 12th Century. The present cathedral completed in 1513, is considered one of the finest specimens of Gothic architecture in Germany. The Cathedral has an impressive steeple reaching to the height of three hundred and sixty five feet above the ground. The interior of the steeple is completely hollow.
DeColange, Leo The Heart of Europe from the Rhine to the Danube (Boston, MA: Estes and Lauriat, Publishers, 1883)
Courtesy the private collection of Roy Winkelman