Some of the world's greatest triumphs have been celebrated right here in Lower Manhattan with spectacular ticker-tape parades up Broadway. From moon-walkers to sports stars, from politicians to performers, from war veterans to aviation aces, we have honored the nation's best with these tributes in our skyscraper canyons. As a result, Broadway has long been known as the Canyon of Heroes. The Downtown Alliance has commemorated all 204 of these ticker-tape parades by actually marking the Canyon of...