History
- 1906 Post Office
- Abram Ellwood Manufacturing Company
- American Steel and Wire Company
- Barb City Bank
- Beehive Building
- Chicago and Northwestern Railroad
- Chicago, Burlington and Quincy Railroad
- DeKalb Arch
- DeKalb County Courthouse
- DeKalb Daily Chronicle Building
- Egyptian Theatre
- Ellwood House
- First National Bank
- First Haish Opera House
- George Gurler House
- Glidden School
- Gurler Brothers Creamery
- Haish Memorial Library
- Jacob Haish Home
- Lincoln Highway
- Marsh Harvester
- Melville Clark Piano Company (later the Wurlitzer Company)
- Nehring Manufacturing Wire and Cable
- Northern Illinois State Normal School, later Northern Illinois State College, later Northern Illinois University
- Second Haish Opera House
- Trolley Cars
- William Ellwood House