- Lindbergh Kidnapping: Mysteries at the Museum
TV-PG | History/Travel
- Lost Treasures of Egypt
TV-PG | History/Documentary
- The Lost Colony of Roanoke: New Evidence
TV-PG | History/Science
- The Last Mission
TV-PG | History/Documentary
- Lost Treasures of the Maya
TV-PG | History/Documentary
- Lost U-Boats of WWII
TV-PG | History/Documentary
- The Lost Empires of Turkmenistan
TV-PG | History/Special
- Lost Empire of Persia
TV-PG | History/Special
- 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
- The Last Day of World War I
TV-PG | History/Documentary
- Last Stand of the 300
TV-PG | History/Documentary
- Lost Cities of the Bible
TV-PG | History/Documentary
- Lost Treasures of Ancient Civilizations
TV-PG | History
- Lucy Worsley's Holmes vs. Doyle
TV-PG | History/Documentary
- The Lost Tomb of Alexander the Great
TV-PG | History/Documentary
- The Lost Evidence
TV-PG | History/Documentary
- Lost Kingdom of the Black Pharaohs
TV-PG | History/Special
- Lost Worlds
TV-PG | History/Documentary
- Lost Cities of the Trojans
TV-PG | History/Miniseries
- The Lost Lincoln
TV-PG | History/Special
- The Lost Pyramid
TV-PG | History/Science
- The Lost Book of Nostradamus
TV-PG | History/Documentary
- Lincoln's Last Day
TV-PG | History/Documentary
- Lincoln
TV-PG | History/Documentary
- The Lost Lagoon
NR | History/Documentary
- Legends & Lies: The Patriots
NR | History/Documentary
- Lectures in History
NR | History/Educational
- Lost Colony of Roanoke
NR | History/Documentary
- The Last Avenger
NR | History
- Lost Relics of the Knights Templar
NR | History/Documentary
- Las leyendas de París: Un viaje por el panorama artístico del siglo XIX
NR | History/Art
- Lived History the Story of Wind River
NR | History/Special
- La independencia inconclusa
NR | History
- La raíz doble
NR | History/Public affairs
- Leonardo da Vinci, the universal man
NR | History/Art
- La primera mujer
NR | History/Public affairs
- The Last Persian Shah
NR | History/Documentary