Rock art
human-made markings on natural stone
Bushman Paradise Cave
Hell rock carvings
rock-cut architecture
Saharan rock art
Rock Art of the Mediterranean Basin on the Iberian Peninsula
Chugai' Pictograph Site
Cueva del Toro
rock relief
petroglyph
Rock carvings at Alta
Cueva de la Victoria
Cueva del Sol
Dolmen de Soto
Cueva Ambrosio
Cueva del Moro