Statewide

    Barns and Agricultural Buildings

    Traditional Downtowns / Main Streets

    Historic Neighborhood Schools

    Grange Halls

   Steeples and Towers

    Town Meeting Halls

    Historic Railroad Structures

    Old Growth Wood

    Embodied Energy

    Landfills

    Storm Windows

    Maine's Municipal Tax Valuation Lists

    Working Waterfronts

Augusta

    Bond Street Neighborhood

    Kennebec County YMCA

Bangor

   Bangor Waterworks

Bar Harbor

    Sea Urchins

    Bar Harbor Club

Bass Harbor

    Underwood Cannery

Boothbay Harbor

    Boothbay Harbor Opera House

Bodoinham

    Free Will Baptist Church

Brunswick

    Walker Art Building , Bowdoin College

   Delta Sigma House/Bowdoin College

Bucksport

    Wilson Hall

    Fort Knox/NHL

Buxton

    Proprietor's Meeting House

China

    China Masonic Hall

Cutler

   Little River Light

Damariscotta

    Skidompha Library/Dixon House

Eastport

    Eastport Savings Bank

Freedom

    Old Town Meeting House

Freeport

    Soule Shipyard Building

Frenchville

    Corriveau Mill

Fryeburg

    Clarence Mulford House

Great Diamond Island

    Barracks and Hospital at Fort McKinley

Gilead

    Peabody Tavern

Gray

    Pennell Institute and Campus

Greenville Junction

    Rail Station at Greenville Junction

Guilford

    J.K. Edes Building

Hallowell

    61 Winthrop Street (formerly thought to be the Jacob Abbott House)

    Governor Bodwell House

    Hallowell Freight Shed

Harpswell

    Halfway Rock Lighthouse

Houlton

    Houlton Aviation Control Tower

Kennebunk

     Dorothy Stevens Community Center

Kittery Point

     Rock Rest

Lewiston

    Androscoggin Mill Block

   Bates Mill Office Building

  St. Mary's Catholic Church ( Franco American Heritage Center)

   United Baptist Church

Limerick

     Old Brick School House  

Limington

    Limington Town Hall

Lubec

    McCurdy Smokehouse

Machiasport

    Liberty Hall

Millinocket

    Daicey Pond Cabins (Outlet and Lookout), Baxter S.P.

Newcastle

    Newcastle/Damariscotta Train Station

Moose River

    Capt. Samuel Holden House

New Sharon

     New Sharon Iron Bridge #2608

Norridgewock

    Norridgewock Bridge

North Alfred

    District # 5 School House

North Livermore

     Tenny's General Store

Norway

   Norway Opera House

Orono

    Edith Patch House

Parsonsfield

   Old Town House

Pembroke

    Shields Building

Pemaquid

    Pemaquid Fisherman's Co-op

Popham

    Seguin Island Light

Portland

    Abyssinian Meeting House

    St. Dominic's Church

    St. Lawrence Church

    Holt Hall/Eye & Ear Infirmary

    Masonic Temple

    Nathan Clifford School

Richmond

    Swan Island

    Richmond Hotel

    Hathorn Block

Rumford Falls

    Strathglass Park

Saco

     Saco Island Mill 4

Sheepscot

    Sheepscot Village

Skowhegan

    Abner Coburn House

South Berwick

    Colcord House

Standish

     Standish Corner (National Register) Historic District

Stockholm

     Stockholm Mountain Fire Lookout Tower

Topsham

    Great Bowdoin Mill

Union

     Matthews Mill

Upton

     Lakewood Camps/Carry Road

West Bath

    West Bath Schoolhouse

York

    Agamenticus Schoolhouse

   Mason Estate