U.S. History
All the major chapters in the American story, from Indigenous beginnings to the present day.
World History
History from countries and communities across the globe, including the world’s major wars.
Eras & Ages
From prehistory, though antiquity and into the 21st century, all of history’s biggest chapters.
Culture & Tradition
The stories behind the faiths, food, entertainment and holidays that shape our world.
Science & Innovation
The pivotal discoveries, visionary inventors and natural phenomena that impacted history.
The Project Blue Book episode “The Scoutmaster” follows the events on August 15, 1952, when a scoutmaster is singed by a mysterious mist.
The sighting of a cryptid in 1950s West Virginia set off a frenzy. What really happened?
There have been thousands of UFO sightings from various civilians across the United States.
Explore the true story of a strange pattern of unidentified lights seen by a group of professors from Texas Technical College in 1951.
The Project Blue Book episode “War Games” draws from the unknown object detected and fired upon by soldiers in the Korean War.