Category:Ancient astronaut speculation
This category is for articles related to various proposals that intelligent extraterrestrial beings have visited Earth and that this contact is linked to the origins or development of human cultures, technologies and/or religions.
This category has the following 3 subcategories, out of 3 total.
Pages in category "Ancient astronaut speculation"
The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes (learn more).