There are many scientific facts about the origins of humanity, ancient texts, suppressed technologies, ancient artifacts, stone monuments, megalithic structures that most people are not aware of. There is much evidence of ancient advanced civilizations, thousands of years older than what is mainly believed.

Here are some great full length, mind expanding documentaries ranging from ancient cultures, hidden histories, hidden knowledge, spirituality, advanced technologies, ETs and similar subjects.

"Quest for a Lost Civilization" http://www.youtube.com/watch?v=-yz1DfTF3-E
"Ancient Knowledge" http://www.youtube.com/watch?v=xAWf3F8_zQk
"Legend of Atlantis": http://www.youtube.com/watch?v=eGD4HMVtvEk
"Decoding the Past" Edgar Cayce: http://www.youtube.com/watch?v=dWOGZwXK5fY
"SPIRIT SCIENCE" http://www.youtube.com/watch?v=IaDOkMEK4uk
"Kymatica" http://www.youtube.com/watch?v=MkbvJFEQgJU
"Esoteric Agenda" http://www.youtube.com/watch?v=FJiCU6Jw0Co
"The Quickening" http://www.youtube.com/watch?v=kHHZkUiRP30
Zeitgeist 3(Newest) http://www.youtube.com/watch?v=4Z9WVZddH9w
The Venus Project http://www.youtube.com/watch?v=5zn8MRKOskw
"Thrive" http://www.youtube.com/watch?v=BVEDwnvwQkM
"The Return to One" http://www.youtube.com/watch?v=bkTccU8x7a4
"Bleep do we know?" http://www.youtube.com/watch?v=usMsTPg-hHk
"2012, Online Movie" http://www.youtube.com/watch?v=Jc-55p1Al9k
"Dawn of the Maya" http://www.youtube.com/watch?v=MVMt-_11CFI
Revelation of the Pyramids http://www.youtube.com/watch?v=ooy2LTJoMVM
Kogi Tribe "Elder Brother's Warning" http://www.youtube.com/watch?v=pnLX9pdKuEg
Nostradamus "Secret Code" http://www.youtube.com/watch?v=BotfkxK4aX8
Edgar Cayce "Atlantis Prophecies" http://www.youtube.com/watch?v=hVCAca2r1LM
"The Black Hole" with Nassim Haramein http://vimeo.com/38288818
"The Pyramid Code"
http://www.youtube.com/watch?v=Pqy6p-OFfuM
"Advanced Ice Age Civiliations and Atlantis."
http://www.youtube.com/watch?v=XG29fMwsTzU
"Truth behind the Free Energy Lie"
http://www.youtube.com/watch?v=0K2wm8tn088
NIkola Tesla, "The Untold Story "
http://www.youtube.com/watch?v=eoY_7mbm5ng

(The list does not include lectures nor e-books. There are many more great films and more will be added!)