- The Last Avenger
NR | History
- La Ciudad de México en el tiempo
NR | History/Travel
- LA64
NR | History/Travel
- Lost Relics of the Knights Templar
NR | History/Documentary
- Lived History the Story of Wind River
NR | History/Special
- Lehigh Valley 1776
NR | History/Special
- Las leyendas de París: Un viaje por el panorama artístico del siglo XIX
NR | History/Art
- Life of Francis Scott Key
NR | History/Talk
- Leonardo da Vinci, the universal man
NR | History/Art
- 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