Facilities
Annaburg is a showcase of architecture and engineering. A Classical Revival building with Prussian influence, Annaburg was constructed in 1892. As originally designed, the house contained 35 rooms, was electrically lighted, had indoor plumbing, and had a mechanical air conditioning system, which Portner had invented in 1878.
| Facility Type | Historic Sites |
| Address Line One | 9201 Maple Street |
| Address Line Two | |
| City, State, Zip Code | Manassas, VA 20110 |
| Capacity | 40 |