There are three magnificent and huge megalithic monuments in Antequera, and the biggest one of them is the dolmen of Menga. It is 27.5 metres long, 6 metres wide and 3.5 metres high. Wikipedia-link. At the end of the chamber there is a 19,5 meter deep hole in the ground.

The passage is aligned to a rock-formation that has the resemblance of a face in profile : La Peña.