The Great Dolmen of Zambujeiro is a megalithic monument located outside of Évora in the Alentejo.
This Neolithic structure is dated to between 4000-3000 B.C. The Great Dolmen is an irregular free-standing
plan composed of a single-chamber and corridor. The funerary chamber and access corridor are covered
by large granite slabs over the funerary chamber and smaller rock slabs on the entrance corridor