National Historic Register properties in Calais, Maine

• Calais Free Library
• Calais Historic District
• Calais Observatory
• Calais Residential Historic District
• Devils Head Site
• First Congregational Church
• Gilmore House
• Hamilton, Thomas, House
• Hinckley Hill Historic District
• Holmes Cottage
• Holmes, Dr. Job, House
• Jellison, Theodore, House
• Pike's Mile Markers
• St. Anne's Episcopal Church
• U.S. Inspection Station-Calais (Ferry Point), Maine
• Washburn, George, House
• Whitlocks Mill Light Station