the pica da illa, one of the most fascinating natural megalithic monuments in all of galicia. entrimo, ourense, spain.

amazing baixa limia balancing rock blue sky curious defiance gravity discovery ecotourism equilibration erosion europe exterior fascinating galicia geological formation gigantic monolith hiking landscape morning mountain natural natural megalithic monument park nature nature artwork ourense outdoor path pica precarious boulder rocks sierra xures sightseeing spain tor travel vacation view walk wanderlust