Advertise in Greater Portland Landmarks’ quarterly newspaper dedicated to historic preservation, education and advocacy! The Landmarks Observer is distributed to over 1,000 households and offered free to the public at more than 55 area businesses, libraries, and organizations. Reach thousands of people interested in quality products and services. 90% of Observer readers are homeowners and 50% of them live in homes over 50 years old. Advertising rates cover the cost of publishing this community newspaper. Please see our rate sheet for more information.