10:14
History's 7 Most Famous Animals
Hybrid Librarian
8:29
7 Strange and Scary Cults
10:23
World's 7 GREATEST Lost Treasures (Still To Be Found!)
10:15
The 7 Most Mysterious Ancient Lost Lands
14:19
World's 10 Most Mysterious Monuments
10:22
World's 10 Most Mysterious Books
9:04
World War 2's 10 Strangest Unsolved Mysteries
12:28
The 10 Greatest Mysteries of Ancient Egypt
8:21
World’s 10 Strangest Out-of-Place Artifacts
9:33
World's 10 Most Secret Societies
6:22
World's 10 Most Mysterious Mummies
8:43
History's 10 Legendary Uncracked Codes and Ciphers
7:28
World's 10 Most Mysterious Lost Civilizations
5:48
History's 10 Most Insane Kings
6:45
History's 10 Most Enigmatic People
6:14
World's 10 Most Incredible Discoveries
7:56
7 Mysterious Ancient Languages with Unknown Origins
