An addition on the back of the building contains restrooms.

The south addition contains another 12 contributing residential structures, for the most part modest frame houses.

The addition contains a living room, library, and two bedrooms.

This last addition contained a laboratory, classrooms and a lady teacher's room.

The addition contains research laboratory and support space.

The addition contained 13 floors and an additional floor was added to the first structure.

The addition contained 14 classrooms, a band room, and a choir room.

The new addition, if built, would contain significantly less space than the first proposal; this is the key to the changes.

A recent addition to the park, this monument contains six gates covered with the word "peace" in 49 languages from around the world.

The addition, built in 1951, contains the kitchen.