York state parks References External links Letchworth State Park - official state website Historic American Engineering Record (HAER) No. NY-54, "Erie Railway, Buffalo Division, Bridge 361.66" (Portage Viaduct) William Pryor Letchworth Museum Genesee River State parks of New York (state) Campgrounds in New York (state) Parks on the National Register of Historic Places in New York (state) Waterfalls of New York (state) Parks in Livingston County, New York Parks in Wyoming County, New York Museums in Wyoming County, New York Native American museums in New York (state) History museums in New York (state) Landforms of Livingston County, New York Articles containing video clips National Register of Historic Places in Livingston County, New York Nature centers in New York (state)