On May 14, 1948, just a few minutes before Shabbat, David Ben Gurion declared the new State of Israel. Reading from the Declaration of Independence, which just barely made it to the secret ceremony, he committed the new Jewish State to idealistic and historic principles, while bracing for a war he knew was imminent.

Straight out of Indiana Jones, the Ark of the Covenant just might be the single greatest missing relic of all time. A fitting finale to Season 3, it disappeared quite suddenly in the 6th century BCE and hasn't been seen since. We go looking for it all over the Middle East and Africa.

It's the end of the world as we know it. The Messiah might already be here, but who is he, what's going to happen, and when?

Sixty-four clues. A vast treasure two thousand years old. Billions of dollars in buried gold. All engraved on a copper scroll hidden away in a cave near the Dead Sea that was found in 1952.

The U.S. military found a treasure trove of Jewish artifacts in the basement of Iraq's intelligence headquarters. Who should get it: Iraq, the United States, or the Iraqi Jewish community in America?

Around 5,000 years ago someone built a massive, Stonehenge-like structure on the Golan Heights in Israel. But we have no clue who or why -- was it an ancient race of giants?

Three unsolved mysteries from the Holocaust: the fate of Raoul Wallenberg, who betrayed Anne Frank, and the wartime actions of Pope Pius XII.

Three unsolved mysteries from the Holocaust: the fate of Raoul Wallenberg, who betrayed Anne Frank, and the wartime actions of Pope Pius XII.

We lost ten Israelite tribes 2,500 years ago, but we might have found a few still around today in some unlikely places.

Christopher Columbus might possibly have been Jewish. Either way, Jews played a central role in his 1492 Voyage of Discovery.