UFO and cave paintings
There are many cave paintings and petroglyphs that show UFOs, its occupants or beings with what looks like space suits
They are found on all continents
Cave painting, Australia
Cave paintings in Shouthern Africa
in Utah, USA
form the Neolithic, in Sahara
Petrogliph of Niger
of Tageuit; Niger
Cave painting in India
in India
Cave painting 10000 years old, India
UFOs of Altamira, Spain
in a cave of India
of Uzbekistán
Paintings of the Addaura cave, Italy
In Gobustan, Azerbaiyan
of Sego Canyon, USA
of Barrier Canyon, USA
of Barrier Canyon
of Barrier Canyon
of Collins Canyon, USA
of Legend Rock; Wyoming
of Wyoming
of Washington
Petrogliphs of Butler Wash, USA
Petrogliphs of the Dinetah, ancestors of Navajo Indians; New México
of San Juan River, USA
of Utah, USA
of Utah
of Escalante River; Glen Canyon, Utah; around 35 000 years old
of Utah
of Utah, USA
Petrogliph of Utah
of Arkansas, USA
in the Sahara
another of the Sahara
of Tanzania, 29000 years old
of Ukhahlamba, South Africa
Cave paintings of Karao, South Africa
of Karao; interaction between men and fish-men, wich reminds the Akpallu stories
of Karao; mermaids and fish-men
Figure of Ennedy, in Chad
Cave paintings
Petrogliph of Tanum, Sweden
of the Bradshaw cave, Australia
Australian cave painting
of Toro Muerto, Peru
of Paso de Molles cave, Argentina
Cave painting, Chihuahua
of Valcamónica, Italia
Australian cave painting; around 28000 years old
of Australia
Wadjinas, of Australia
of Kimberley, Australia
of Kimberley, Australia
of Australia
of Ciudad Rodrigo, Spain
of Saudi Arabia
of Australia
of Barrup Rock, Australia
of Australia
of Australia
of Australia
of Horsehoe Canyon, USA
of Chihuahua, México
of Burgos, México
Insectoid being, of Tassili
of Tassili
Cave paintings and strange objects 
Veracruz Cosmonauts, Mexico
of Tassili
of Tassili
of Tassili; Algeria
of Tassili
of Tassili
of Tassili
of Tassili
of Tassili
of Tassili
of Tassili, south of Argelia
of Tassili
of Tassili, Saurians living with humanoids?
Cave paintings of Zimbawe
of the Anasazi Indians, USA
Anasazi paintings, Rio Fremont
Anasazi Indians paintings, USA
Hopi Indians painting
of Christina Lake, Canada
ancient petrogliphs, Canada
of Australia
Wandjina, of Australia
Wandjina, of Australia
Wandjina, of Australia
Piauí, Brasil
of Hidalgo, Mexico
Cave painting, 7500 years old
Cave paintings of India
Ship in a cave in Japan; 7000 years old