Railroad

NC&StL Railroad Depot, Dickson, TN (Dickson County, Tennessee)
NC&StL Railroad Depot, Jasper, TN (Marion County, Tennessee)
NC&StL Railroad Depot, Kelso, TN (Lincoln County, Tennessee)
NC&StL Railroad Depot, Lebanon, TN (Wilson County, Tennessee)
NC&StL Railroad Depot, Murfreesboro, TN (Rutherford County, Tennessee)
NC&StL Railroad Depot, Orme, TN (Marion County, Tennessee)
NC&StL Railroad Depot, Paris, TN (Henry County, Tennessee)
NC&StL Railroad Depot, Rock Island, TN (Warren County, Tennessee)
NC&StL Railroad Depot, Smyrna, TN (Rutherford County, Tennessee)
NC&StL Railroad Depot, Somerville, TN (Fayette County, Tennessee)
NC&StL Railroad Depot, Tucker's Gap, TN (Wilson County, Tennessee)
NC&StL Railroad Depot, Tullahoma, TN (Franklin County, Tennessee)
NC&StL Railroad Depot, Victoria, TN (Marion County, Tennessee)
NC&StL Railroad Depot, Yuma, TN (Carroll County, Tennessee)
NCO Railway Depot (Modoc County, California)
Nebraska City Burlington Depot (Otoe County, Nebraska)
Nenana Depot (Yukon-Koyukuk Census Area, Alaska)
Netherwood Station (Union County, New Jersey)
Nevada Central Turntable (Lander County, Nevada)
Nevada Northern Railway -McGill Depot (White Pine County, Nevada)
New Albany & Salem Railroad (The Monon) (Floyd County, Indiana)
Caboose marking the location of the Monon Railroad
New Brunswick Station (Middlesex County, New Jersey)
New Haven Junction Depot (Addison County, Vermont)
New Haven Railroad Danbury Turntable (Fairfield County, Connecticut)
New Haven Railroad Station (New Haven County, Connecticut)
New London Union Station (New London County, Connecticut)
Union Station jointly built by the Central Vermont and NY,NH&H Railroads
New Milford Railroad Station (Litchfield County, Connecticut)
New Orleans Great Northern Railroad Depot (Lawrence County, Mississippi)
New Portage Tunnel (Cambria County, Pennsylvania)
Southermost of three bores through Tunnel Hill, Gallitzin, PA
New York Central Freight House (Lorain County, Ohio)
New York Central Terminal (Erie County, New York)
New York, New Haven & Hartford Passenger Depot (Worcester County, Massachusetts)
Newark Broad Street Station (Essex County, New Jersey)
Newark Passenger Station (New Castle County, Delaware)
Newbern Illinois Central Depot (Dyer County, Tennessee)
Newfane Railroad Depot (Windham County, Vermont)
Newington Junction Railroad Depot (Hartford County, Connecticut)
Newport Railroad Station (New Castle County, Delaware)
Niota Depot (McMinn County, Tennessee)
Niskayuna Railroad Station (Schenectady County, New York)
Norfolk & Western Depot (Pulaski County, Virginia)
Norfolk & Western Depot Marion, VA (Smyth County, Virginia)
Norfolk & Western Railway Depot (Smyth County, Virginia)
Norfolk And Western Railroad Depot (Lawrence County, Ohio)
Norfolk Southern Passenger Station (Pasquotank County, North Carolina)
Norfolk Southern Roundhouse (Buncombe County, North Carolina)
North Abington Depot (Plymouth County, Massachusetts)
North Bennington Depot (Bennington County, Vermont)
North Broad Street Station, Reading Company (Philadelphia County, Pennsylvania)
North Conway Depot and Railroad Yard (Carroll County, New Hampshire)
North Creek Railroad Station Complex (Warren County, New York)
North Easton Railroad Station (Bristol County, Massachusetts)
North Pemberton Railroad Station (Burlington County, New Jersey)
Northbound and Southbound Stations (Attleboro) (Bristol County, Massachusetts)
Northern Pacific Depot (Pine County, Minnesota)
Northern Pacific Depot (Pine County, Minnesota)
Northern Pacific Depot (Aitkin County, Minnesota)
Northern Pacific Depot (Pope County, Minnesota)
Northern Pacific Depot and Freight House (Grand Forks County, North Dakota)
Northern Pacific Passenger Depot (Becker County, Minnesota)
Northern Pacific Passenger Depot (Wadena County, Minnesota)
Northern Pacific Railroad Depot (Missoula County, Montana)
Northern Pacific Railway Depot (Cass County, North Dakota)
Northern Pacific Railway Depot (Shoshone County, Idaho)
Northern Pacific Railway Depot (Burleigh County, North Dakota)
Northern Pacific Railway Depot (Morrison County, Minnesota)
Northern Pacific Railway Depot (Adams County, Washington)
Brick hip roofed railroad depot built in 1910
Northern Pacific Railway Depot #4 (Yakima County, Washington)
Mission Revival style railway depot built in 1911
Northern Pacific Railway Locomotive #1354 (Franklin County, Washington)
S-4 class 4-6-0 Steam Locomotive built in 192
Northern Pacific Railway Passenger Depot (Walla Walla County, Washington)
Northern Pacific Railway Passenger Depot (Kittitas County, Washington)
Northland (St. Louis County, Minnesota)
O & W Railroad Station at Port Ben (Ulster County, New York)
O.W.R.&N. Company Railroad Depot (Garfield County, Washington)
Brick one story railroad depot built in 1911
Oak Hill Railroad Depot (Fayette County, West Virginia)
Oakfield Station (Aroostook County, Maine)
Oakton Trolley Station (Fairfax County, Virginia)
Ocala Union Station (Marion County, Florida)
Ocean City 34th Street Station (Cape May County, New Jersey)
Ocean City Tenth Street Station (Cape May County, New Jersey)
Oconomowoc Depot (Waukesha County, Wisconsin)
Ogden Union Station (Weber County, Utah)
Old A.C.L. Union Depot (Putnam County, Florida)
Old Amherst Freight Depot (Lorain County, Ohio)
Old Colony Railroad Station (Bristol County, Massachusetts)
Old Depot Restaraunt and Lounge (Claiborne County, Mississippi)
Old Fort Railroad Depot (McDowell County, North Carolina)
Southern Railway train depot in Old Fort, NC
Old Gainesville Depot (Alachua County, Florida)
Old L & N Station (Nelson County, Kentucky)
Old Port (Cumberland County, Maine)
Old Railroad Station (Lorain County, Ohio)
Old Santa Fe Railroad Depot (Franklin County, Kansas)
Old Sante Fe Depot (Noble County, Oklahoma)
Sante Fe Railroad-style Depot
Old Smokey (Rusk County, Wisconsin)
2-8-2 Mikado locomotive, a class L-2 built by Alco in 1920
Old Union Depot (Leavenworth County, Kansas)
Olean Railroad Depot (Miller County, Missouri)
Olive Hill C & O Depot (Carter County, Kentucky)
Oliver Springs Southern Railroad Depot (Anderson County, Tennessee)
Olmsted Depot (Pulaski County, Illinois)
Olmsted Falls Depot (Cuyahoga County, Ohio)
Omaha Depot (Rock County, Minnesota)
Opa-Locka Railroad Station (Miami-Dade County, Florida)
Oradell Station (Bergen County, New Jersey)
Orange Cove Santa Fe Railway Depot (Fresno County, California)
Orange Station (Essex County, New Jersey)
Oregon Short Line Depot (Box Elder County, Utah)
Oregon Short Line Passenger Depot (Beaverhead County, Montana)
Oregon Short Line Railroad Depot (Malheur County, Oregon)
Orfordville Depot (Rock County, Wisconsin)
Osage City Railroad Depot (Cole County, Missouri)
Osage City Santa Fe Depot (Osage County, Kansas)
Outlook Depot (Sheridan County, Montana)
Outville Depot (Licking County, Ohio)
Owings Railroad Depot (Laurens County, South Carolina)
Railroad Depot in the unincorporated town of Owings, SC
Pacific Coast Railway Company Grain Warehouse (San Luis Obispo County, California)
Pacific Electric Railway Company Depot (Orange County, California)
Palatine Bridge Freight House (Montgomery County, New York)
Palmer Depot (Matanuska-Susitna Borough, Alaska)
Palo Alto Southern Pacific Railroad Depot (Santa Clara County, California)
Paris Memphis and Gulf Depot (Howard County, Arkansas)
Paris Railroad Depot (Bourbon County, Kentucky)
Park Ridge Station (Bergen County, New Jersey)
Park Street Railroad Station (Middlesex County, Massachusetts)
Pascagoula Street Railroad and Power Company (Jackson County, Mississippi)
Passenger and Baggage Car No. 4639 (Lancaster County, Pennsylvania)
Passenger Coach No. 3556 (Lancaster County, Pennsylvania)
Passenger Day Coach No. 8177 (Lancaster County, Pennsylvania)
Passenger Locomotive No. 1223 (Lancaster County, Pennsylvania)
Passenger Locomotive No. 1737 (Lancaster County, Pennsylvania)
Passenger Locomotive No. 460 (Lancaster County, Pennsylvania)
Passenger Locomotive No. 7002 (Lancaster County, Pennsylvania)
Patrick Depot (Chesterfield County, South Carolina)
Pawtucket-Central Falls Railroad Station (Providence County, Rhode Island)
Peabody Tavern (Oxford County, Maine)
Peachtree Southern Railway Station (Fulton County, Georgia)
Peekskill Freight Depot (Westchester County, New York)
Penn Central Railway Station (Calhoun County, Michigan)
Penn Central Station (Wayne County, Michigan)
Pennington Railroad Station (Mercer County, New Jersey)
Pennsboro B&O Depot (Ritchie County, West Virginia)
Pennslyvania Railroad Station (Allen County, Indiana)
Pennsylvania Depot (Knox County, Ohio)
Pennsylvania Railroad Caboose (Warren County, Ohio)
Preserve Pennsylvania Railroad Caboose sitting in Morrow Ohio
Pennsylvania Railroad Depot and Caboose (Clark County, Indiana)
Pennyslvania Railroad Depot and Caboose Preserved in place
Pennsylvania Railroad Freight Building (Philadelphia County, Pennsylvania)
Pennsylvania Railroad Freight Station (Washington County, Pennsylvania)
Pennsylvania Railroad Office Building (Philadelphia County, Pennsylvania)
Pennsylvania Railroad Passenger Station (Washington County, Pennsylvania)
Pennsylvania Railroad Station (Allegheny County, Pennsylvania)
Pennsylvania Railroad Station (Lake County, Indiana)
Pennsylvania Railroad Station (Chautauqua County, New York)
Pennsylvania Railroad Station (Wayne County, Indiana)
Pennsylvania Railroad Station--Latrobe (Westmoreland County, Pennsylvania)
Pennsylvania Railroad Station-Wilkinsburg (Allegheny County, Pennsylvania)
Pennsylvania Railway Ore Dock (Cuyahoga County, Ohio)
Pennsylvania Railway Station (Licking County, Ohio)