NYC - Do the East River Walk! Okay this is a tip for people who visit New York the second time, because it takes some time to do. The East River Park is compared to the famous parks of NY not so known. But along the East River with amazing Brooklyn and Williamsburg views brings you up to the United Nations building! Starting point: Cherry Street (at the end of Grand Street) cross the FDR Drive and walk away on the East River Promenade!