CuriosityStream

Built at strategic points and fitted with impressive defenses, fortresses are thought to be impenetrable.

Looking at six decades of Afghan history through the eyes of those who were there.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Brutal dictator Francisco Franco rose to power after the Spanish Civil War, ruling for 36 years; Spain is still marked by his tyranny.

Brutal dictator Francisco Franco rose to power after the Spanish Civil War, ruling for 36 years; Spain is still marked by his tyranny.

Built at strategic points and fitted with impressive defenses, fortresses are thought to be impenetrable.

Looking at six decades of Afghan history through the eyes of those who were there.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Brutal dictator Francisco Franco rose to power after the Spanish Civil War, ruling for 36 years; Spain is still marked by his tyranny.

Brutal dictator Francisco Franco rose to power after the Spanish Civil War, ruling for 36 years; Spain is still marked by his tyranny.

Built at strategic points and fitted with impressive defenses, fortresses are thought to be impenetrable.

Looking at six decades of Afghan history through the eyes of those who were there.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Secrets and untold stories involving Hitler, Mussolini, and other notorious figures of World War II.

Brutal dictator Francisco Franco rose to power after the Spanish Civil War, ruling for 36 years; Spain is still marked by his tyranny.

Following six daring female marine scientists who are on a mission to save the planet's life support system: the Ocean.

An enthralling series of six stand-alone films that explore the stories of iconic Australian animals and the biological and evolutionary factors that link them.

Biologist Patrick Aryee embarks on a high-octane adventure to discover how nature can help us solve humanity's biggest challenges.

Animals face daily battles to protect themselves and secure the resources they need.

Animals face daily battles to protect themselves and secure the resources they need.