- Lost Empire of Persia
TV-PG | History/Special
- La tumba perdida de Herodes
TV-PG | History/Documentary
- Local Legends
TV-PG | History/Documentary
- Lost Tombs of the Maya
TV-PG | History/Science
- Lee & Grant
TV-PG | History/Documentary
- Lost Gold of World War II
TV-PG | History/Reality
- Los buscadores de tesoros
TV-PG | History
- The Last Day of World War I
TV-PG | History/Documentary
- Lost Cities of the Bible
TV-PG | History/Documentary
- Last Stand of the 300
TV-PG | History/Documentary
- Lugares sagrados
TV-PG | History/Documentary
- Lucy Worsley's Holmes vs. Doyle
TV-PG | History/Documentary
- The Lost Evidence
TV-PG | History/Documentary
- Lost Treasures of Ancient Civilizations
TV-PG | History
- Lost Kingdom of the Black Pharaohs
TV-PG | History/Special
- Lost Worlds
TV-PG | History/Documentary
- Lost Beasts: Unearthed
TV-PG | History/Documentary
- Lost U-Boats of WWII
TV-PG | History/Documentary
- Lost Cities Revealed With Albert Lin
TV-PG | History/Documentary
- Lost Treasures of the Bible: Secrets of Faith
TV-PG | History
- The Lost Empires of Turkmenistan
TV-PG | History/Special
- Las Cruzadas
TV-PG | History/Religious
- The Lost JFK Tapes: The Assassination
TV-PG | History/Documentary
- The Lost Colony of Roanoke: New Evidence
TV-PG | History/Science
- Lindbergh Kidnapping: Mysteries at the Museum
TV-PG | History/Travel
- Lost Treasures of Egypt
TV-PG | History/Documentary
- Lee Harvey Oswald: 48 Hours to Live
TV-PG | History/Documentary
- The L.A. Riots: 25 Years Later
TV-PG | History/Documentary
- Lost Treasures of the Maya
TV-PG | History/Documentary
- Lucy Worsley Investigates
TV-PG | History/Documentary
- The Last Mission
TV-PG | History/Documentary
- Lost Cities of the Trojans
TV-PG | History/Miniseries
- Los Angeles: Stories from the City
TV-PG | History/Documentary
- The Lost Pyramid
TV-PG | History/Science
- The Lost Book of Nostradamus
TV-PG | History/Documentary
- The Lost Lincoln
TV-PG | History/Special
- Lincoln
TV-PG | History/Documentary
- The Last Avenger
NR | History
- LA64
NR | History/Travel
- La Ciudad de México en el tiempo
NR | History/Travel
- Lost Relics of the Knights Templar
NR | History/Documentary
- Lived History the Story of Wind River
NR | History/Special
- Las leyendas de París: Un viaje por el panorama artístico del siglo XIX
NR | History/Art
- Lehigh Valley 1776
NR | History/Special
- Leonardo da Vinci, the universal man
NR | History/Art
- Life of Francis Scott Key
NR | History/Talk
- Lectures in History
NR | History/Educational
- The Lost Lagoon
NR | History/Documentary
- Legends & Lies: The Real West
NR | History/Documentary
- Lucy Worsley Investigates: The American Revolution
NR | History/Documentary
- The Last Persian Shah
NR | History/Documentary