Seraj-ul-Emart, the resident of Amir Habibullah and King Amanullah was destroyed in 1929; the gardens however, retain vestiges of the past and offer a peaceful afternoon's stroll. The Mausoleum of both rulers is enclosed by a garden facing Seraj-ul-Emart.
Here is a map: http://www.afghana.com/Map/Jalalabad.htm