Join Bob Gelber, licensed NYC tour Guide, for a romp through the “Cathedral of Commerce,” Frank W. Woolworth’s Company Headquarters. This icon of a skyscraper, representing Frank’s enormous success as the founder of the Woolworth 5 & 10. The tallest building in the World for 17 years, announcing Woolworth’s success, wealth and ego. You will visit this engineering marvel of the early 20th Century. This skyscraper, designed by one of the most famous architects of the day, would become the marker for how to build a modern structure, and change architecture forever.