Calais Observatory
Also known as Old Calais Academy Grounds
About Calais Observatory
Calais Observatory, at Meridian Park, North St., was added to the National Register of Historic Places on Dec 19, 2012. The Register lists it for its science, at the national level.
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 31 MB · National Archives↗Make it a walk: 5 landmarks in about 20 minutes
Meridian Park, North St., Calais · about 0.8 miles on foot, as the crow flies
7 more Register listings within a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Calais Observatory
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Calais Observatory
Is Calais Observatory on the National Register of Historic Places?
Yes. It was added on Dec 19, 2012 (Register number 12001069).
Is Calais Observatory a National Historic Landmark?
No. It is on the National Register; Maine has 41 National Historic Landmarks.
Can you visit Calais Observatory?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Calais Observatory?
In its National Register nomination, the form that put it on the Register: a 31 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 88687476 · Wikidata. Map tiles © OpenStreetMap contributors.