Pioneer Hall (King County, Washington)
Pioneer Hall, Linfield College (Yamhill County, Oregon)
Pioneer House (Johnson County, Arkansas)
Pioneer Implement Company (Pottawattamie County, Iowa)
Pioneer Market (Pinal County, Arizona)
Pioneer Mine Buildings and A Headframe (St. Louis County, Minnesota)
Pioneer Park Bandshell (Brookings County, South Dakota)
Pioneer Square-Skid Road District (King County, Washington)
Pioneer State Bank No. 36 (Lapeer County, Michigan)
Pioneer Woolen Mills and D. Ghirardelli Company (San Francisco County, California)
Pipe Creek Friends Meetinghouse (Carroll County, Maryland)
Piper House (Washington County, Maryland)
Piper's Opera House (Storey County, Nevada)
Pipestone County Courthouse (Pipestone County, Minnesota)
Piqua High School (Miami County, Ohio)
Pisek School (Walsh County, North Dakota)
Pisgah Christian Church (Brown County, Ohio)
Pisgah Rural Historic District (Unspecified county, Kentucky)
Pisgah United Methodist Church (Leon County, Florida)
Pistol Factory Dwelling (New Haven County, Connecticut)
Pitcairn Building (Philadelphia County, Pennsylvania)
Pitcher Store (Callaway County, Missouri)
Pitkin Place Historic District (Pueblo County, Colorado)
Pitot House (Orleans Parish, Louisiana)
Pitre, Vic House (Jefferson Parish, Louisiana)
Pitt County Courthouse (Pitt County, North Carolina)
Pittock Block (Multnomah County, Oregon)
Pitts Neck (Accomack County, Virginia)
Pitts Theatre (Culpeper County, Virginia)
Pitts-Inge (Charlottesville, Virginia)
Pittsboro Historic District (Chatham County, North Carolina)
Pittsboro Masonic Lodge (Chatham County, North Carolina)
Pittsboro Presbyterian Church (Chatham County, North Carolina)
Pittsburg County Courthouse (Pittsburg County, Oklahoma)
Pittsburg Public Library (Crawford County, Kansas)
Pittsburg School and Gymnasium (Pittsburg County, Oklahoma)
Pittsburgh & Lake Erie Railroad Station (Allegheny County, Pennsylvania)
Pittsburgh and Lake Erie Railroad Complex (Allegheny County, Pennsylvania)
Pittsburgh Athletic Association Building (Allegheny County, Pennsylvania)
Pittsburgh Central Downtown Historic District (Allegheny County, Pennsylvania)
Pittsburgh Historic District (Fulton County, Georgia)
Pittsfield Cemetery (Berkshire County, Massachusetts)
Pittsfield Center Historic District (Merrimack County, New Hampshire)
Pittsfield East School (Pike County, Illinois)
Pittsfield Public Library (Somerset County, Maine)
Pittsford Green Historic District (Rutland County, Vermont)
Pittsford Village Historic District (Monroe County, New York)
Pittsgrove Presbyterian Church (Salem County, New Jersey)
Pittston Congregational Church (Kennebec County, Maine)
Pittstown Historic District (Hunterdon County, New Jersey)
Pittsylvania County Courthouse (Pittsylvania County, Virginia)
Piute County Courthouse (Piute County, Utah)
Pix Building (Galveston County, Texas)
Placerville Historic District (Boise County, Idaho)
Plainfield Central Fire Headquarters (Union County, New Jersey)
Plainfield Civic District (Union County, New Jersey)
Plainfield Station (Union County, New Jersey)
Plainfield Street Historic District (Windham County, Connecticut)
Plainfield Village Historic District (Washington County, Vermont)
Plainfield Woolen Company Mill (Windham County, Connecticut)
Plains Historic District (Sumter County, Georgia)
Plainview Carnegie Library (Pierce County, Nebraska)
Plainview Farm (Miami County, Ohio)
Plainview Hardware Company Building (Ochiltree County, Texas)
Plaisance School (St. Landry Parish, Louisiana)
Plaistow Carhouse (Rockingham County, New Hampshire)
Plano Hotel (Kendall County, Illinois)
Plant Auto Company Building (Cache County, Utah)
Plant City High School (Hillsborough County, Florida)
Plant City Union Depot (Hillsborough County, Florida)
Planter's Exchange, Inc. (Gadsden County, Florida)
Planter's Tobacco Warehouse (Jefferson County, Kentucky)
Planters Bank Building (Marion County, Texas)
Planters Bank Building (Mississippi County, Arkansas)
Planters Building (Robeson County, North Carolina)
Planters Hall (Warren County, Mississippi)
Planting Fields Arboretum (Nassau County, New York)
Plantsville Historic District (Hartford County, Connecticut)
Plaquemine High School (Iberville Parish, Louisiana)
Plaquemine Historic District (Iberville Parish, Louisiana)
Plaster Mill (Sussex County, New Jersey)
Platinum Point Historic District (Coweta County, Georgia)
Platt, Charles C., Homestead (Clinton County, New York)
Platt, Col. Asa, House (New Haven County, Connecticut)
Platt-Cady Mansion (Tioga County, New York)
Platte County Courthouse (Platte County, Wyoming)
Platte County Courthouse (Platte County, Missouri)
A two-story, soft red brick building representing Missouri architecture of the mid 19th Century
Players, The (Wayne County, Michigan)
Players, The (New York County, New York)
Playmakers Theatre (Orange County, North Carolina)
Plays and Players (Philadelphia County, Pennsylvania)
Plaza Apartments (Garland County, Arkansas)
Plaza Apartments (Philadelphia County, Pennsylvania)
Plaza Apartments (Cuyahoga County, Ohio)
Plaza Court (Oklahoma County, Oklahoma)
Plaza Historic District (Orange County, California)
Plaza Hotel (New York County, New York)
Plaza Hotel (El Paso County, Texas)
Plaza Hotel (El Paso County, Colorado)
Plaza Hotel (Franklin County, Ohio)
Plaza Substation (Los Angeles County, California)
Plaza Theater (Coffey County, Kansas)
Plaza Theatre (Kanawha County, West Virginia)
Plaza Theatre (El Paso County, Texas)
Pleasant Green (Cooper County, Missouri)
Pleasant Grove (Roanoke County, Virginia)
Pleasant Grove (Jessamine County, Kentucky)
Pleasant Grove (Halifax County, Virginia)
Pleasant Grove (Fluvanna County, Virginia)
Pleasant Grove Masonic Lodge (Olmsted County, Minnesota)
Pleasant Grove Presbyterian Church (Marion County, Oregon)
Pleasant Grove School (Utah County, Utah)
Pleasant Grove Tithing Office (Utah County, Utah)
Pleasant Grove Town Hall (Utah County, Utah)
Pleasant Hall (Virginia Beach, Virginia)
Pleasant Hill (Clermont County, Ohio)
Pleasant Hill (Adams County, Mississippi)
Pleasant Hill (Charles County, Maryland)
Pleasant Hill Cemetery (Dyer County, Tennessee)
Pleasant Hill Church (Cass County, Indiana)
Pleasant Hill Consolidated School (Georgetown County, South Carolina)
Pleasant Hill Historic District (Bibb County, Georgia)
Pleasant Hill Presbyterian Church (Dallas County, Alabama)
A historic Greek Revival church in Pleasant Hill, Alabama.
Pleasant Hill Residential Historic District (Wood County, Wisconsin)
North side residential area with a wide variety of architectural styles
Pleasant Hill School (Cass County, Texas)
Pleasant Hill School (Wayne County, Iowa)
Pleasant Hill/Hawkins House (Vance County, North Carolina)
Pleasant Hills (Prince George's County, Maryland)
Pleasant Historic District (Maury County, Tennessee)
Pleasant Home (Cook County, Illinois)
Pleasant Inn (Horry County, South Carolina)
Pleasant L. Matthews House (Hamilton County, Tennessee)
Pleasant Lawn (Woodford County, Kentucky)
Pleasant Lawn Cemetery (Oswego County, New York)
Pleasant Mills (Atlantic County, New Jersey)
Pleasant Point (Surry County, Virginia)
Pleasant Prospect (Prince George's County, Maryland)
Pleasant Retreat Academy (Lincoln County, North Carolina)
Pleasant Ridge East Historic District (Oakland County, Michigan)
Pleasant Ridge Historic District (Oakland County, Michigan)
Pleasant Ridge School (Buchanan County, Missouri)
Pleasant Ridge United Baptist Church (Platte County, Missouri)
Pleasant Street Congregational Church (Middlesex County, Massachusetts)
Pleasant Street Firehouse (Worcester County, Massachusetts)
Pleasant Street Historic District (Garland County, Arkansas)
Pleasant Street Historic District (Alachua County, Florida)
Pleasant Street Historic District (Belmont) (Middlesex County, Massachusetts)
Pleasant Street School (Worcester County, Massachusetts)
Pleasant Vale (Boyle County, Kentucky)
Pleasant Valley Historic District (Warren County, New Jersey)
Pleasant Valley School (Payne County, Oklahoma)
Pleasant Valley Wine Company (Steuben County, New York)
Pleasant View (Chesterfield County, Virginia)
Pleasant View (Bedford County, Virginia)
Pleasant View Home (Merrimack County, New Hampshire)
Pleasant View Plantation House (Pointe Coupee Parish, Louisiana)
Pleasant View School II (Kootenai County, Idaho)
Pleasants County Courthouse (Pleasants County, West Virginia)
Pledger, Jacob, House (Middlesex County, Connecticut)
Plinlimmon Farm (Baltimore County, Maryland)
Pliny and Adelia Fay House (Muscatine County, Iowa)
Plough Inn (Dane County, Wisconsin)
Pluckemin Village Historic District (Somerset County, New Jersey)
Plum Grove (Johnson County, Iowa)
Plum Street Temple (Hamilton County, Ohio)
Plumb House (Middlesex County, Connecticut)
Plumb House (Waynesboro, Virginia)
Plumb Memorial Library (Fairfield County, Connecticut)
Plumbing Supply Company (Minnehaha County, South Dakota)
Plumbush (Putnam County, New York)
Plumer House (Westmoreland County, Pennsylvania)
Plummer Homestead (Strafford County, New Hampshire)
Plummer Memorial Library (Middlesex County, Massachusetts)
Plummer School (Larimer County, Colorado)
Plummer's Station (Conway County, Arkansas)
Plummer, Capt. John, House (Washington County, Maine)
Plymouth Antiquarian House (Plymouth County, Massachusetts)
Plymouth Center Historic District (Litchfield County, Connecticut)
Plymouth Church of the Pilgrims (Kings County, New York)
Plymouth Congregational Church (Onondaga County, New York)
Plymouth Downtown Historic District (Marshall County, Indiana)
Four blocks of the original plat of Plymouth, laid out in 1834
Plymouth Fire Station (Marshall County, Indiana)
Significant as Plymouth's only fire station until a new one was built in 1980
Plymouth Historic District (Grafton County, New Hampshire)
Plymouth Historic District (Washington County, North Carolina)