In what state does the Passaic River flow?… Liquid. And also in New Jersey, right to the Great Falls! This waterfall ranks just behind Niagara Falls as the second largest by volume, east of the Mississippi River. The Paterson Great Falls National Historical Park is a secret park with untold natural New Jersey beauty. On #InternationalWaterfallDay, check out our list of parks in addition to this one with some of the most beautiful waterfalls across the country! #LinkInBio #Waterfall #WaterfallDay #River #Jersey #NewJesey #JerseyShore #Northeast #MissippiRiver #GreatFalls #NiagaraFalls 📸: Wikicommons Image: The bottom of the falls and the water underneath as viewed from a brick building with a bridge over it.