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Greater Portland Landmarks preserves and revitalizes the architectural fabric, history, and character of greater Portland – renewing our neighborhoods, spurring economic development and keeping Portland one of the most liveable cities in America.

Landmarks is proud to provide leadership and advocacy, present educational publications, events and programs, and act as steward of the Portland Observatory (1807) for future generations.

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50th Anniversary Celebration

Greater Portland Landmarks will celebrate its 50th anniversary in 2014. Join us in a year of activities that highlight historic places and historic preservation’s impact. Learn more »


2013 Places in Peril List

Greater Portland Landmarks has identified vulnerable properties that help define greater Portland, but also face serious threats. See the 2013 list of Places in Peril »


Historic House Gala

Join us for the 50th Anniversary Historic House Gala to benefit Greater Portland Landmarks on Saturday, June 7, 2014 in the Western Promenade Neighborhood. Learn more »


Since 1807, the Portland Observatory has offered spectacular views of Portland’s busy harbor and served as a beloved symbol of the city’s rich maritime heritage. Named a National Historic Landmark in 2006, the Portland Observatory is the only known remaining historic maritime signal tower in the United States.
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Portland Observatory

138 Congress Street
Portland, ME 04101
(207) 774-5561
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