TV Guide History Tuesday

From rulers like Caligula and Ivan the Terrible, to dictators like Mao Zedong and Saddam Hussein who killed millions, these are history's deadliest tyrants.

A twisted mastermind uses homemade bombs to terrorize the nation. Despite one of the most extensive manhunts in U.S. history, he still manages to stay hidden.

A serial killer in 1969 baffles authorities with cryptic ciphers and leaves the public wondering about his true identity for over fifty years.

From rulers like Caligula and Ivan the Terrible, to dictators like Mao Zedong and Saddam Hussein who killed millions, these are history's deadliest tyrants.

From doomed voyages across continents and oceans to covert CIA operations, these missions show that no matter how much preparation, things can always go wrong.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

Pastor Doug Batchelor presents a studious hour on spiritually relevant topics such as Bible prophecy, the gospel message and the Holy Spirit.

A message of hope from David Jeremiah of Turning Point.

Host David Duchovny explores strange weapons revealed by declassified records, including a CIA gun built to fire shellfish toxin and more.

Host David Duchovny explores records of horrific, state-funded science experiments throughout history, including records of an attempted human-ape hybrid army.

Host David Duchovny explores theories and tales of "deep cover" operations undertaken by special operatives abandoning their past identities.

Host David Duchovny investigates declassified reports about secret bases, including a deadly poison lab used by the Soviet Union's most infamous doctor.

David Duchovny explores declassified files about a plane crash in North Carolina that almost led to a disaster & a supposed alien attack on a U.S. missile base.

Host David Duchovny explores newly released documents giving a glimpse into covert NASA plans, disastrous Soviet coverups and more.

Host David Duchovny explores the history of daring missions, including submarine divers braving unknown depths to tap a secret Soviet communication line.

Host David Duchovny explores declassified documents detailing advanced and bizarre spy gadgets, including a children's toy, a supersized spy balloon and more.

David Duchovny explores declassified documents detailing morally ambiguous alliances, including the CIA's attempt to hire mobsters to assassinate Fidel Castro.

After compelling new clues are discovered in the swamp and on Lot 8, the team finds an astonishing silver lining in the Money Pit.

While investigating under the massive boulder on Lot 8, the Laginas and the team find evidence of a possible second Money Pit.

As stunning events unfold around the team's dig operation in the Money Pit area, they make a potentially historic discovery in the swamp.

Excitement abounds as the team is poised to raise the massive boulder on Lot 8. And in the swamp, a shocking artifact is discovered.

Armed with new information about the elusive stakes in the swamp, the team redoubles their search efforts with thrilling results.

After raising the 40,000-pound boulder from Lot 8, the team is astonished to find a manmade feature that may be hiding a shaft or tunnel.

In the razor's-edge theater of global brinkmanship, the world has come closer to annihilation than most ever knew. A NATO war game once spooked the Soviets.

Excitement abounds as the team is poised to raise the massive boulder on Lot 8. And in the swamp, a shocking artifact is discovered.

Armed with new information about the elusive stakes in the swamp, the team redoubles their search efforts with thrilling results.

After raising the 40,000-pound boulder from Lot 8, the team is astonished to find a manmade feature that may be hiding a shaft or tunnel.

In the razor's-edge theater of global brinkmanship, the world has come closer to annihilation than most ever knew. A NATO war game once spooked the Soviets.

Excitement abounds as the team is poised to raise the massive boulder on Lot 8. And in the swamp, a shocking artifact is discovered.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.