Learn about their state-of-the-art tools and gear and feats of engineering accomplished on Meriwether Lewis and William Clark's scientific expedition to the West.

Explores the ancient culture of the Aboriginal Australians.

Goes inside Camp Leatherneck in the Afghan desert, to show how the men and women who live there cope with violence, boredom, excessive heat, and other stressors to perform their duties.

Explores dangerous jobs within the branches of the United States military.

Chronicles the seven hundred years of Moorish Spain and the Muslim peoples' influence on science, mathematics, literature, and architecture.

Explores the life of Lafayette, a Frenchman who fought for the independence of the United States of America.

Continues to capture wildlife in the Arctic and Antarctic and other frozen regions of the planet.

Examines the creation of the James Webb Space Telescope, from its conception to completion.

Join Dr. Emily Zarka, who studies literature and film through the lens of monsters, as she deconstructs some of the most significant moments in zombie pop culture over the last 200 years to reveal what these creatures say about people. From our fears and conflicts to political uprisings, stories about zombies offer a way to better understand how ultimately, the monster feared the most is themselves.

Explores how criminal investigators pieced together evidence from the Boston marathon bombing that led them to the trail of two suspects.