Darul Aman Palace was destroyed in the early 1990's as rival mujahedin factions fought for control of Kabul.
In central Herat, you'll find alleyways around the Alexander the Great fortress that are fun to walk around in.
There are a few busted up old aircraft including a Russian MIG and a helicopter across the street from the Airplane Museum in Kabul.
Fields in Mazaar-e-Shariff where players gather on Fridays to play the Afghan national sport, Buzkashi.
Markets in old Herat