Extras

Video thumbnail: Secrets of the Dead Viking Warrior Queen Preview

Secrets of the Dead

Viking Warrior Queen Preview

Join archaeologists examining the history-changing DNA of a female Viking warrior.

Viking Warrior Queen Preview

Video thumbnail: Secrets of the Dead Why Notre Dame's Gargoyles Are More Than Art

Secrets of the Dead

Why Notre Dame's Gargoyles Are More Than Art

While most people assume they are merely decorative works of art...

Why Notre Dame's Gargoyles Are More Than Art

Video thumbnail: Secrets of the Dead Building Notre Dame Preview

Secrets of the Dead

Building Notre Dame Preview

Follow an in-depth investigation into the centuries-long construction of Notre Dame.

Building Notre Dame Preview

Video thumbnail: Secrets of the Dead The Great Moral Dilemma of the 20th Century

Secrets of the Dead

The Great Moral Dilemma of the 20th Century

The Auschwitz Protocol reaches U.S. officials with a demand to bomb the camp.

The Great Moral Dilemma of the 20th Century

Video thumbnail: Secrets of the Dead Bombing Auschwitz 75th Anniversary Preview

Secrets of the Dead

Bombing Auschwitz 75th Anniversary Preview

Would an Allied attack on Auschwitz have stopped future atrocities?

Bombing Auschwitz 75th Anniversary Preview

Video thumbnail: Secrets of the Dead Pehle and The Post

Secrets of the Dead

Pehle and The Post

The Washington Post publishes a story on Auschwitz with "genocide" in the headline.

Pehle and The Post

Video thumbnail: Secrets of the Dead The "Dark Heart" of Auschwitz-Birkenau

Secrets of the Dead

The "Dark Heart" of Auschwitz-Birkenau

Two Auschwitz escapees give testimonies that expose the truth of Nazi concentration camps.

The "Dark Heart" of Auschwitz-Birkenau

Video thumbnail: Secrets of the Dead Bombing Auschwitz

Secrets of the Dead

Bombing Auschwitz

Would an Allied attack on Auschwitz have stopped future atrocities?

Bombing Auschwitz

Video thumbnail: Secrets of the Dead The Center of the Universe

Secrets of the Dead

The Center of the Universe

Galileo challenged the widely-accepted belief that the universe revolved around the earth.

The Center of the Universe

Video thumbnail: Secrets of the Dead Forgery 101

Secrets of the Dead

Forgery 101

Experts explain how a fake Sidereus Nuncius made its way into infamy.

Forgery 101

Video thumbnail: Secrets of the Dead Galileo's Moon

Secrets of the Dead

Galileo's Moon

Join experts as they examine an alleged proof copy of Galileo’s “Sidereus Nuncius.”

Galileo's Moon