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| | time | views | |
| History's 7 Most Famous Animals | 10:14 | 51,506 | |
| 7 Mysterious Ancient Languages with Unknown Origins | 7:56 | 70,957 | |
| 7 Mind-Blowing Facts About Black Holes | 9:38 | 88,487 | |
| 10 Terrifying Prehistoric Creatures That Are Still Around | 12:59 | 82,807 | |
| Earth's 7 Deepest Mysteries : Journey to the Center of the Earth | 8:54 | 99,054 | |
| 7 Proofs of Evolution in the Human Body | 7:31 | 123,876 | |
| Space's 10 Strangest Planets | 12:49 | 120,236 | |
| World's Most Mysterious Places #2: India | 9:46 | 72,556 | |
| World's Most Mysterious Places #1: America | 10:30 | 91,183 | |
| 7 Next Steps in Human Evolution - What will humans look like in the distant future? | 9:59 | 2,492,869 | |
| World's 7 Most Mysterious Uncontacted Tribes | 9:45 | 132,311 | |
| THE 7 WONDERS of TRAPPIST-1 - Seven Earth-sized & Habitable-Zone Planets Found Around a Single Star | 7:22 | 78,270 | |
| 7 Strange and Scary Cults | 8:29 | 106,852 | |
| 7 Mysterious Facts About Love (and Sex) | 7:27 | 60,396 | |
| The 7 Most Terrifying Cursed Objects | 8:44 | 70,125 | |
| 7 Mysterious Prehistoric Sea Monsters | 8:60 | 134,672 | |
| The 7 Deadliest Natural Disasters in History | 8:24 | 107,523 | |
| The 7 Ways to Become Immortal | 9:90 | 165,481 | |
| The 7 Most Mysterious Space Discoveries of 2016 (and Recent Times) | 8:40 | 173,854 | |
| 7 Reasons Why Columbus NEVER Discovered America | 9:20 | 69,647 | |
| 7 Officials Who Admitted Aliens Exist | 9:16 | 120,629 | |
| 7 Major Events in the Distant Future of Earth | 7:59 | 252,648 | |
| World's 7 Most Dangerous Animals | 7:10 | 74,992 | |
| The 7 Creepiest REAL Ghost Photos of All Time | 8:10 | 466,851 | |
| World's 7 GREATEST Lost Treasures (Still To Be Found!) | 10:23 | 110,888 | |
| 7 Unsolved Mysteries of the Human Body | 7:28 | 5,988,179 | |
| 7 Ways a Zombie Apocalypse Could Happen | 11:24 | 253,995 | |
| Universe's 7 Biggest Unanswerable Questions | 10:13 | 187,081 | |
| The 7 Most Mysterious Ancient Lost Lands | 10:15 | 232,958 | |
| The 7 Ways to Time Travel | 8:58 | 1,334,550 | |
| 10 Ancient Pictures of UFOs & Aliens | 10:22 | 355,165 | |
| 10 Amazing Plants With Real Superpowers | 13:34 | 131,856 | |
| The 10 Most Amazing Facts About Dreams | 11:14 | 189,885 | |
| The 10 Most Mysterious Pictures From The Moon | 11:36 | 982,094 | |
| World's 10 Most Mysterious Monuments | 14:19 | 1,591,617 | |
| 10 Mysterious Extinct Human Species | 12:29 | 4,403,646 | |
| The 10 Craziest Science Experiments Ever Conducted | 12:00 | 346,059 | |
| The 10 Biggest Mysteries of Mars | 12:50 | 278,969 | |
| The 10 Most Mysterious Sea Monster Carcasses Ever Found | 14:30 | 5,718,062 | |
| The 10 Creepiest Places on Earth | 15:13 | 1,366,125 | |
| 10 Reasons Why Alien Life Exists | 17:21 | 660,544 | |
| World's 10 Biggest Animals of all Time - PART 2 | 6:18 | 305,213 | |
| The 10 Most AMAZING Chemical Reactions (with Reactions) | 13:10 | 1,823,317 | |
| The 10 Greatest Mysteries of Ancient Egypt | 12:28 | 377,333 | |
| 10 Most Mysterious PLANE Disappearances | 10:12 | 360,043 | |
| 10 MYTHICAL Creatures That Turned Out To Be REAL | 10:37 | 844,201 | |
| 10 Amazing Alien Planets That Could Host Life | 10:44 | 723,245 | |
| World’s 10 Most Mysterious Underwater Anomalies | 9:35 | 537,326 | |
| World's 10 Most Mysterious Books | 10:22 | 878,610 | |
| 10 Crazy Discoveries That Science Can’t Explain | 8:29 | 1,701,218 | 1 list |
| World War 2's 10 Strangest Unsolved Mysteries | 9:40 | 1,337,002 | 1 list |
| 10 Reasons Why We Still Haven't Met Aliens | 7:50 | 2,729,466 | 1 list |
| World's 10 Weirdest Prehistoric Animals | 5:34 | 737,342 | 1 list |
| World’s 10 Strangest Out-of-Place Artifacts | 8:21 | 518,468 | 1 list |
| Future’s 10 Mind-Blowing Scenarios for Interstellar Travel | 9:52 | 293,417 | 1 list |
| Humans 10 Bizarre Behaviors That Can't Be Explained | 8:80 | 524,696 | 1 list |
| Earth's 10 Most Mysterious Lost Worlds | 7:56 | 8,383,497 | 1 list |
| World's 10 Most Mysterious Pictures Ever Taken - Part 2 | 7:14 | 1,421,925 | 1 list |
| Space's 10 Most Gigantic Disasters | 6:20 | 603,924 | 1 list |
| World's 10 Most Mysterious Mummies | 6:22 | 695,371 | 1 list |
| World's 10 Strangest Unknown Creatures | 6:40 | 1,006,633 | 1 list |
| Future's 10 Mind-Blowing Technologies About to Emerge | 8:28 | 563,418 | 1 list |
| World's 10 Biggest Questions for Hybrid Librarian - Answered! [500k special] | 6:59 | 258,628 | 1 list |
| World's 10 Most Baffling UFO Sightings | 11:90 | 826,609 | is in 2 lists |
| World's 10 Most Mysterious Civilizations | 7:28 | 331,063 | 1 list |
| Earth's 10 Most Important Events in History | 11:37 | 737,380 | 1 list |
| Space's 10 Most Stunning Wonders | 9:37 | 1,076,045 | 1 list |
| World's 10 Animals With Real Superpowers | 8:19 | 1,138,574 | 1 list |
| World's 10 Most Secret Societies | 9:33 | 866,750 | 1 list |
| World's 10 Biggest Animals of All Time | 3:50 | 7,215,027 | is in 2 lists |
| Universe's 10 Greatest Unsolved Mysteries | 9:40 | 874,075 | 1 list |
| Future's 10 Events That Could Wipe Out Humanity | 8:39 | 1,448,167 | 1 list |
| History's 10 Most Legendary Uncracked Codes | 8:43 | 799,753 | 1 list |
| World's 10 Most Dangerous Snakes (with SnakeBytesTV) | 8:59 | 1,559,319 | 1 list |
| World's 10 Most Amazing Robots | 8:60 | 851,954 | 1 list |
| History's 10 Most Mysterious Disappearances | 9:44 | 2,091,199 | 1 list |
| Space's 10 Most Mysterious Stars | 8:20 | 694,496 | 1 list |
| HYBRID LIBRARIAN Trailer (HD) | 0:37 | 353,245 | |
| World's 10 Humans With Real Superpowers | 8:13 | 11,707,853 | 1 list |
| Earth's 10 Most Mysterious Figures Seen From the Sky | 7:60 | 787,480 | 1 list |
| World's 15 Most Intelligent Animals | 9:80 | 1,720,395 | 1 list |
| History's 10 Most Insane Monarchs | 5:48 | 417,317 | 1 list |
| World's 10 Most Mysterious Pictures Ever Taken | 7:90 | 30,537,786 | 1 list |
| Solar System's 10 Most Incredible Moons | 7:35 | 249,514 | 1 list |
| Science's 10 Inventions that Could Have Changed the World | 6:24 | 1,347,950 | 1 list |
| Deep Sea's 10 Most Amazing Creatures | 5:18 | 2,288,019 | 1 list |
| Earth's 10 Strangest Natural Phenomena | 6:27 | 1,697,747 | 1 list |
| History's 10 Most Enigmatic People | 6:45 | 1,224,895 | 1 list |
| Space's 10 Most Gigantic Objects | 7:70 | 1,415,340 | 1 list |
| Earth's 10 Most Mysterious Events | 7:28 | 5,751,726 | 1 list |
| World's 10 Most Amazing Lifeforms | 5:27 | 697,639 | 1 list |
| World's 10 Most Incredible Discoveries | 6:14 | 2,822,001 | 1 list |
| Space's 10 Most Amazing Alien Planets | 3:56 | 385,765 | 1 list |
| Earth's 10 Most Mysterious Places | 7:26 | 2,075,037 | 1 list |
| Science's 20 Most Unbelievable Truths | 3:31 | 1,370,054 | 1 list |
| Science's 10 Greatest Unsolved Mysteries | 7:38 | 2,395,431 | 1 list |
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