Duty and Challenge on February 14

History's Greatest Mysteries will investigate a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Each program within the franchise will showcase fresh, new evidence and perspectives including never-before-released documents to the general public, personal diaries and DNA evidence to unearth brand-new information about these infamous and enigmatic chapters in history.

Outlander: Blood of My Blood explores the lives and relationship of Claire's parents, Julia Moriston and Henry Beauchamp, and Jamie's parents, Ellen MacKenzie and Brian Fraser. The series centers on these two parallel love stories set in two different time periods, with Jamie's parents in the early 18th-century Scottish Highlands and Claire's parents in WWI England.

An immersive, action-packed series follows international teams of Egyptologists as they unearth the world's richest seam of ancient archaeology — Lost Treasures of Egypt. Through excavations and unprecedented access to the teams on the front line of archaeology, we follow these modern-day explorers as they battle searing heat and inhospitable terrain to make the discoveries of a lifetime.

What would happen to planet earth if the human race were to suddenly disappear forever? Would ecosystems thrive? What remnants of our industrialized world would survive? What would crumble fastest? From the ruins of ancient civilizations to present day cities devastated by natural disasters, history gives us clues to these questions and many more in the visually stunning and thought-provoking special, Life After People.

On Last Week Tonight with John Oliver, John Oliver presents a satirical look at the week in news, politics and current events.