Unexplained Origins
Earth is probably the last place you would look for extra-terrestrials. Especially with all the new exoplanet discoveries. The quest to prove that there was life on Mars billions of years ago. But are we looking too far? Find out the Top 10 Alien Relics leftover from advanced civilizations that visited Earth in the past.
YouTube link: https://youtu.be/X6F1fd3aAaw?si=h21Jvqan5cuHvsmH