The Perry Belmont House, sometimes referred to as the International Temple of the Order of the Eastern Star, though there are no ritual or ceremonial spaces in the building, is the world headquarters of the General Grand Chapter of the Order of the Eastern Star, one of several organizations affiliated with Freemasonry. The building is located at 1618 New Hampshire Avenue, Northwest in the Dupont Circle neighborhood of Washington, D.C.
The International Temple was added to the National Register of Historic Places on May 8, 1973.
Wikipedia https://en.wikipedia.org/wiki/International_Temple
Coordinates 38°54'44.328" N -77°2'28.89" E
