S22E06: Mysterious Monuments
From a stone circle in Turkey that challenges the timeline of human history to gigantic stone spheres in Bosnia and Egypt’s most unusual tombs, could these monuments provide proof of extraterrestrial visitation?
Previous Episode 
Season 1
The Evidence
S1E1 / 20 Apr 2010
The Visitors
S1E2 / 27 Apr 2010
The Mission
S1E3 / 04 May 2010
Closer Encounters
S1E4 / 18 May 2010
The Return
S1E5 / 25 May 2010
Season 2
Mysterious Places
S2E1 / 28 Oct 2010
Gods & Aliens
S2E2 / 04 Nov 2010
Underwater Worlds
S2E3 / 11 Nov 2010
Underground Aliens
S2E4 / 18 Nov 2010
Aliens and the Third Reich
S2E5 / 25 Nov 2010
Alien Tech
S2E6 / 02 Dec 2010
Angels and Aliens
S2E7 / 09 Dec 2010
Unexplained Structures
S2E8 / 16 Dec 2010
Alien Devastations
S2E9 / 23 Dec 2010
Alien Contacts
S2E10 / 30 Dec 2010
Season 3
Aliens and the Old West
S3E1 / 28 Jul 2011
Aliens and Monsters
S3E2 / 04 Aug 2011
Aliens and Sacred Places
S3E3 / 11 Aug 2011
Aliens and Temples of Gold
S3E4 / 18 Aug 2011
Aliens and Mysterious Rituals
S3E5 / 25 Aug 2011
Aliens and Ancient Engineers
S3E6 / 01 Sep 2011
Aliens, Plagues and Epidemics
S3E7 / 08 Sep 2011
Aliens and Lost Worlds
S3E8 / 15 Sep 2011
Aliens and Deadly Weapons
S3E9 / 22 Sep 2011
Aliens and Evil Places
S3E10 / 28 Sep 2011
Aliens and the Founding Fathers
S3E11 / 05 Oct 2011
Aliens and Deadly Cults
S3E12 / 12 Oct 2011
Aliens and the Secret Code
S3E13 / 19 Oct 2011
Aliens and the Undead
S3E14 / 26 Oct 2011
Aliens, Gods and Heroes
S3E15 / 16 Nov 2011
Aliens and the Creation of Man
S3E16 / 23 Nov 2011
Season 4
The Mayan Conspiracy
S4E1 / 17 Feb 2012
The Doomsday Prophecies
S4E2 / 17 Feb 2012
The Greys
S4E3 / 24 Feb 2012
Aliens and Mega-Disasters
S4E4 / 02 Mar 2012
The NASA Connection
S4E5 / 09 Mar 2012
The Mystery of Puma Punku
S4E6 / 16 Mar 2012
Aliens and Bigfoot
S4E7 / 23 Mar 2012
The Da Vinci Conspiracy
S4E8 / 06 Apr 2012
The Time Travelers
S4E9 / 27 Apr 2012
Aliens and Dinosaurs
S4E10 / 04 May 2012
Season 5
Secrets of the Pyramids
S5E1 / 21 Dec 2012
Aliens and Cover-Ups
S5E2 / 28 Dec 2012
Alien Power Plants
S5E3 / 04 Jan 2013
Destination Orion
S5E4 / 11 Jan 2013
The Einstein Factor
S5E5 / 18 Jan 2013
Secrets of the Tombs
S5E6 / 25 Jan 2013
Prophets and Prophecies
S5E7 / 08 Feb 2013
Beyond Nazca
S5E8 / 15 Feb 2013
Strange Abductions
S5E9 / 22 Feb 2013
The Von Daniken Legacy
S5E10 / 05 Apr 2013
The Viking Gods
S5E11 / 12 Apr 2013
The Monoliths
S5E12 / 19 Apr 2013
Season 6
The Power of Three
S6E1 / 30 Sep 2013
The Crystal Skulls
S6E2 / 07 Oct 2013
The Anunnaki Connection
S6E3 / 14 Oct 2013
Magic of the Gods
S6E4 / 21 Oct 2013
The Satan Conspiracy
S6E5 / 28 Oct 2013
Alien Operations
S6E6 / 01 Nov 2013
Emperors, Kings and Pharaohs
S6E7 / 08 Nov 2013
Mysterious Relics
S6E8 / 15 Nov 2013
Aliens and Forbidden Islands
S6E9 / 29 Nov 2013
Aliens and The Lost Ark
S6E10 / 06 Dec 2013
Aliens and Mysterious Mountains
S6E11 / 13 Dec 2013
Season 7
Aliens and Stargates
S7E1 / 24 Jan 2014
Aliens in America
S7E2 / 31 Jan 2014
The Star Children
S7E3 / 07 Feb 2014
Treasures of the Gods
S7E4 / 14 Feb 2014
Aliens and the Red Planet
S7E5 / 21 Feb 2014
The Shamans
S7E6 / 28 Feb 2014
Aliens and Insects
S7E7 / 07 Mar 2014
Alien Breeders
S7E8 / 14 Mar 2014
Season 8
Alien Transports
S8E1 / 13 Jun 2014
Mysterious Structures
S8E2 / 20 Jun 2014
Mysterious Devices
S8E3 / 27 Jun 2014
The Reptilians
S8E4 / 25 Jul 2014
The Tesla Experiment
S8E5 / 01 Aug 2014
The God Particle
S8E6 / 08 Aug 2014
Alien Encounters
S8E7 / 15 Aug 2014
Aliens & Superheroes
S8E8 / 22 Aug 2014
Season 9
Forbidden Caves
S9E1 / 31 Oct 2014
Mysteries of the Sphinx
S9E2 / 07 Nov 2014
Aliens Among Us
S9E3 / 14 Nov 2014
The Genius Factor
S9E4 / 21 Nov 2014
Secrets of the Mummies
S9E5 / 28 Nov 2014
Alien Resurrections
S9E6 / 05 Dec 2014
Alien Messages
S9E7 / 19 Dec 2014
The Great Flood
S9E8 / 23 Dec 2014
Aliens and the Civil War
S9E9 / 10 Apr 2015
Hidden Pyramids
S9E10 / 17 Apr 2015
The Vanishings
S9E11 / 24 Apr 2015
The Alien Agenda
S9E12 / 01 May 2015
Season 10
Aliens B.C.
S10E1 / 24 Jul 2015
NASA's Secret Agenda
S10E2 / 31 Jul 2015
Aliens and Robots
S10E3 / 07 Aug 2015
Dark Forces
S10E4 / 14 Aug 2015
The Alien Evolution
S10E5 / 21 Aug 2015
The Other Earth
S10E6 / 28 Aug 2015
Creatures of the Deep
S10E7 / 04 Sep 2015
Circles from the Sky
S10E8 / 18 Sep 2015
The Alien Wars
S10E9 / 02 Oct 2015
The Forbidden Zones
S10E10 / 09 Oct 2015
Season 11
Pyramids of Antarctica
S11E1 / 06 May 2016
Destination Mars
S11E2 / 13 May 2016
The Next Humans
S11E3 / 20 May 2016
The New Evidence
S11E4 / 27 May 2016
The Visionaries
S11E5 / 10 Jun 2016
Decoding the Cosmic Egg
S11E6 / 17 Jun 2016
The Wisdom Keepers
S11E7 / 24 Jun 2016
The Mysterious Nine
S11E8 / 08 Jul 2016
The Hidden Empire
S11E9 / 15 Jul 2016
The Prototypes
S11E10 / 22 Jul 2016
Space Station Moon
S11E11 / 29 Jul 2016
Russia's Secret Files
S11E12 / 12 Aug 2016
Beyond Roswell
S11E13 / 19 Aug 2016
The Returned
S11E14 / 26 Aug 2016
Shiva the Destroyer
S11E15 / 02 Sep 2016
Season 12
The Alien Hunters
S12E1 / 28 Apr 2017
Forged by the Gods
S12E2 / 05 May 2017
The Mystery of Rudloe Manor
S12E3 / 12 May 2017
The Alien Architects
S12E4 / 19 May 2017
The Pharaohs' Curse
S12E5 / 26 May 2017
The Science Wars
S12E6 / 02 Jun 2017
City of the Gods
S12E7 / 09 Jun 2017
The Alien Frequency
S12E8 / 16 Jun 2017
The Majestic Twelve
S12E9 / 07 Jul 2017
The Akashic Record
S12E10 / 14 Jul 2017
Voices of the Gods
S12E11 / 21 Jul 2017
The Animal Agenda
S12E12 / 28 Jul 2017
The Replicants
S12E13 / 04 Aug 2017
A Spaceship Made of Stone
S12E14 / 11 Aug 2017
The Alien Disks
S12E15 / 08 Sep 2017
Return to Gobekli Tepe
S12E16 / 15 Sep 2017
Season 13
The UFO Conspiracy
S13E1 / 27 Apr 2018
Da Vinci's Forbidden Codes
S13E2 / 04 May 2018
The Alien Protocols
S13E3 / 11 May 2018
Earth's Black Holes
S13E4 / 18 May 2018
The Desert Codes
S13E5 / 25 May 2018
Area 52
S13E6 / 01 Jun 2018
Earth Station Egypt
S13E7 / 20 Jul 2018
Island of the Giants
S13E8 / 27 Jul 2018
The Taken
S13E9 / 03 Aug 2018
The Sentinels
S13E10 / 10 Aug 2018
Russia Declassified
S13E11 / 17 Aug 2018
They Came from the Sky
S13E12 / 24 Aug 2018
The Artificial Human
S13E13 / 31 Aug 2018
The Alien Phenomenon
S13E14 / 04 Jan 2019
Return to Mars
S13E15 / 07 Jan 2019
Season 14
Return to Antarctica
S14E1 / 31 May 2019
The Badlands Guardian
S14E2 / 07 Jun 2019
Element 115
S14E3 / 14 Jun 2019
The Star Gods of Sirius
S14E4 / 21 Jun 2019
They Came from the Sea
S14E5 / 28 Jun 2019
Secrets of the Maya
S14E6 / 05 Jul 2019
The Druid Connection
S14E7 / 19 Jul 2019
The Reptilian Agenda
S14E8 / 26 Jul 2019
The Alien Infection
S14E9 / 02 Aug 2019
Project Hybrid
S14E10 / 09 Aug 2019
The Trans-Dimensionals
S14E11 / 16 Aug 2019
Islands of Fire
S14E12 / 23 Aug 2019
The Constellation Code
S14E13 / 30 Aug 2019
The Nuclear Agenda
S14E14 / 06 Sep 2019
The Alien Mountain
S14E15 / 04 Oct 2019
The Alien Brain
S14E16 / 11 Oct 2019
The Secrets of Stonehenge
S14E17 / 18 Oct 2019
Food of the Gods
S14E18 / 01 Nov 2019
Human Hieroglyphs
S14E19 / 08 Nov 2019
The Storming of Area 51
S14E20 / 15 Nov 2019
Countdown to Disclosure
S14E21 / 22 Nov 2019
Secrets of the Exoplanets
S14E22 / 29 Nov 2019
Season 15
The Mystery of Nan Madol
S15E1 / 25 Jan 2020
The Relics of Roswell
S15E2 / 01 Feb 2020
Destination Chile
S15E3 / 08 Feb 2020
The Real Men in Black
S15E4 / 15 Feb 2020
The Mystery of the Stone Giants
S15E5 / 22 Feb 2020
The World Before Time
S15E6 / 29 Feb 2020
They Came from The Pleiades
S15E7 / 07 Mar 2020
The Immortality Machine
S15E8 / 14 Mar 2020
The Shapeshifters
S15E9 / 21 Mar 2020
The Mystery of Skinwalker Ranch
S15E10 / 28 Mar 2020
The Ultimate Guide to UFOs
S15E11 / 11 Apr 2020
Aliens and the Presidents
S15E12 / 18 Apr 2020
Season 16
The Divine Number
S16E1 / 13 Nov 2020
The Lost Kingdom
S16E2 / 20 Nov 2020
The Galactic Keyhole
S16E3 / 04 Dec 2020
Giants of the Mediterranean
S16E4 / 11 Dec 2020
The Forbidden Bible
S16E5 / 18 Dec 2020
William Shatner Meets Ancient Aliens
S16E6 / 12 Feb 2021
Impossible Artifacts
S16E7 / 19 Feb 2021
The Space Travelers
S16E8 / 26 Feb 2021
The UFO Pioneers
S16E9 / 05 Mar 2021
The Harmonic Code
S16E10 / 12 Mar 2021
Season 17
The Lost City of Peru
S17E1 / 06 Aug 2021
Top Ten Mysterious Sites
S17E2 / 13 Aug 2021
Top Ten Alien Cover-Ups
S17E3 / 20 Aug 2021
The Mystery of Mount Shasta
S17E4 / 17 Sep 2021
The Human Experiment
S17E5 / 24 Sep 2021
Top Ten Alien Encounters
S17E6 / 01 Oct 2021
Top Ten Alien Artifacts
S17E7 / 08 Oct 2021
Season 18
The Disclosure Event
S18E1 / 07 Jan 2022
Mystery of the Standing Stones
S18E2 / 14 Jan 2022
Beneath the Sacred Temples
S18E3 / 21 Jan 2022
The World on Alert
S18E4 / 28 Jan 2022
Recovering the Ark of the Covenant
S18E5 / 11 Feb 2022
Secrets of the Star Ancestors
S18E6 / 18 Feb 2022
Alien Air Force
S18E7 / 25 Feb 2022
The Shadow People
S18E8 / 04 Mar 2022
Decoding the Dragon Gods
S18E9 / 11 Mar 2022
The Time Benders
S18E10 / 18 Mar 2022
Ancient Aliens on Location: Incredible Structures
S18E11 / 08 Jul 2022
Ancient Aliens on Location: Extraordinary Encounters
S18E12 / 15 Jul 2022
Ancient Aliens on Location: Decoding the Alien Glyphs
S18E13 / 22 Jul 2022
Ancient Aliens On Location: The UFO Investigations
S18E14 / 29 Jul 2022
Ancient Aliens On Location: Mysterious Artifacts
S18E15 / 05 Aug 2022
Ancient Aliens on Location: Evidence of Alien Life
S18E16 / 12 Aug 2022
The Shining Ones
S18E17 / 19 Aug 2022
The Journey to Immortality
S18E18 / 26 Aug 2022
Secrets of Inner Earth
S18E19 / 09 Sep 2022
Return of the Egyptian Gods
S18E20 / 16 Sep 2022
Season 19
The Hotspot Connection
S19E1 / 06 Jan 2023
The Crop Circle Code
S19E2 / 13 Jan 2023
Mystery of the Lost Civilization
S19E3 / 20 Jan 2023
The Power of the Obelisks
S19E4 / 03 Feb 2023
The MUFON Files
S19E5 / 10 Feb 2023
Cosmic Impacts
S19E6 / 17 Feb 2023
Close Encounters of the Fifth Kind
S19E7 / 24 Feb 2023
The Mysteries of Alaska
S19E8 / 03 Mar 2023
Aliens in Our Airspace
S19E9 / 10 Mar 2023
The Giants of Malta
S19E10 / 17 Mar 2023
The Top Ten Pyramid Sites
S19E11 / 30 Jun 2023
The Top Ten Mysterious Devices
S19E12 / 07 Jul 2023
The Top Ten Mysterious Islands
S19E13 / 14 Jul 2023
The Top Ten Alien Craft
S19E14 / 21 Jul 2023
Edgar Cayce: The Sleeping Prophet
S19E15 / 04 Aug 2023
The Gods of Greece
S19E16 / 11 Aug 2023
The New UFO Hunters
S19E17 / 18 Aug 2023
The Power of the Talisman
S19E18 / 25 Aug 2023
The Top Ten Mysteries of the Deep
S19E19 / 08 Sep 2023
The Top Ten Alien Petroglyphs
S19E20 / 15 Sep 2023
Season 20
The Top Ten Alien Influencers
S20E1 / 05 Jan 2024
The Top Ten Extraordinary Creatures
S20E2 / 12 Jan 2024
The Top Ten Hidden Alien Bases
S20E3 / 19 Jan 2024
The Top Ten Scariest Encounters
S20E4 / 02 Feb 2024
The Top Ten Alien Codes
S20E5 / 09 Feb 2024
The Top Ten Alien Disasters
S20E6 / 16 Feb 2024
Secrets of the Sumerians
S20E7 / 23 Feb 2024
The UFO Superhighway
S20E8 / 01 Mar 2024
Mysteries of Scotland
S20E9 / 08 Mar 2024
Mystery of the Stone Spheres
S20E10 / 15 Mar 2024
Mysteries of the Maya
S20E11 / 28 Jun 2024
Unlocking the Stargates
S20E12 / 05 Jul 2024
The Whistleblowers
S20E13 / 12 Jul 2024
The Search for Extraterrestrial Intelligence
S20E14 / 19 Jul 2024
Jacques Vallée: UFO Pioneer
S20E15 / 09 Aug 2024
The Teachers
S20E16 / 16 Aug 2024
Egypt's Giant Tombs
S20E17 / 23 Aug 2024
The Linda Moulton Howe Files
S20E18 / 30 Aug 2024
The Chosen
S20E19 / 06 Sep 2024
Resurrecting Puma Punku
S20E20 / 13 Sep 2024
Season 21
The Top Ten Extraordinary Discoveries
S21E1 / 07 Feb 2025
The Top Ten Mysterious Monoliths
S21E2 / 14 Feb 2025
The Top Ten UFO Crashes
S21E3 / 21 Feb 2025
The Top Ten Unexplained Technologies
S21E4 / 28 Feb 2025
The Top Ten Secret Projects
S21E5 / 07 Mar 2025
The Top Ten Mysterious Mountains
S21E6 / 14 Mar 2025
Mysteries of the Aztecs
S21E7 / 21 Mar 2025
The Glowing Orb Phenomenon
S21E8 / 28 Mar 2025
The Legacy of J. Allen Hynek
S21E9 / 29 Aug 2025
The Volcano Factor
S21E10 / 05 Sep 2025
The Birdman Mystery
S21E11 / 12 Sep 2025
The Abduction Files
S21E12 / 19 Sep 2025
The Giants
S21E13 / 02 Oct 2025
Aliens in Our Midst
S21E14 / 09 Oct 2025
Britain's UFO Files
S21E15 / 16 Oct 2025
Mysteries of the Norse Gods
S21E16 / 23 Oct 2025
Secrets of Japan
S21E17 / 06 Nov 2025
Season 22
Skulls of the Gods
S22E1 / 15 Jan 2026
Egypt's Lost Pyramids
S22E2 / 22 Jan 2026
Island of the Gods
S22E3 / 29 Jan 2026
Extraterrestrial Engineering
S22E4 / 05 Feb 2026
UFO Hot Spots
S22E5 / 26 Feb 2026
Mysterious Monuments
S22E6 / 05 Mar 2026
Underwater Alien Bases
S22E7 / 11 Jun 2026
Secrets of the Vedas
S22E8 / 18 Jun 2026
Wars of the Gods
S22E9 / 25 Jun 2026
UFO Sightings
S22E10 / 02 Jul 2026
Alien A.I.
S22E11 / 09 Jul 2026
Hidden Messages
S22E12 / 16 Jul 2026
Secrets of the Amazon
S22E13 / 23 Jul 2026
Alien Investigators
S22E14 / 30 Jul 2026
Africa's Extraterrestrial Contact
S22E15 / 06 Aug 2026
Robert Clotworthy
Narrator (voice)
Giorgio A. Tsoukalos
Self
Ariel Bar Tzadok
Self
Jonathan Young
Self
David Childress
Self
Erich von Däniken
Self
Linda Moulton Howe
Self
