Take a walk down the acclaimed "Finest Street in the Empire". This walk along Aberdeen's Union street is filled with historical, architectural and local knowledge gems hitting the highlights from over 200 years of history. Aberdeen has long been known as the Granite City. On this walk, we'll discover how and why this city has been literally shaped by its relationship to granite. We'll take in some of the finest examples of granite architecture and local tales while we 'walk the Mat'.