The Altamira Cave Paintings, Spain
The Altamira Cave Paintings, Spain
Source: Wikimedia Commons
Source: Wikimedia Commons
The Apollo 11 Cave Stones, Namibia
The Apollo 11 Cave Stones, Namibia
Source: Wikimedia Commons
Source: Wikimedia Commons
Kakadu National Park and Other Rock Art Sites, Australia
Kakadu National Park and Other Rock Art Sites, Australia
Source: Wikimedia Commons
Source: Wikimedia Commons
Cueva de las Manos, Argentina
Cueva de las Manos, Argentina
Source: Wikimedia Commons
Source: Wikimedia Commons
The Lower Pecos Rock Art in Texas and Mexico
The Lower Pecos Rock Art in Texas and Mexico
Source: Wikimedia Commons
Source: Wikimedia Commons