Šumarice Memorial Park, on the western edge of Kragujevac, occupies the meadows and woods where the Kragujevac massacre took place. The park covers 352 hectares and is laid out as a slow walk: ten monuments mark the principal execution sites, with the route designed to make you stop and look at each one in turn.
The most photographed is V3 — the "Interrupted Flight" monument — a vast concrete wedge split in two, commemorating the murdered schoolboys. The 21st of October Museum at the entrance gives the historical context, with photographs, recovered objects, and last letters written by some of the victims. Allow at least two or three hours, and try to come on a quiet weekday. This is one of the most affecting places in the country.