History

Cost-cutting moves to save on some of the Titanic's three million rivets; shortcuts taken while building a gladiator stadium in ancient Rome; how a little carelessness triggers deadly engineering failures in history.

As the team makes discoveries on Lot 8 and in the Money Pit area, new research draws another link between the Oak Island mystery and the Knights Templar.

A series of shocking murders shake the city of Boston to its core. Each victim, 13 women in all, bore the signature of this serial killer: a bow wrapped around their neck. With the Boston police department facing enormous pressure to bring this predator-or predators-to justice, all eyes are on Boston. Sixty years later, the question remains: who was the Boston Strangler?

Step inside hidden areas where history was steered in secret, from Churchill's wartime bunker, complete with a direct line to FDR concealed inside his private bathroom, to a Soviet weapons base in the desert exposed only by a daring U-2 spy mission.

From moon landings and movie props to space junk and sci-fi treasures, Mike we unveil the most finds from the Final Frontier-space.

From doomed voyages across continents and oceans to covert CIA operations, these missions show that no matter how much preparation and planning are done, things can still turn deadly.

Ted and the salvage team undertake the challenge of salvaging a decommissioned 727 airplane; while Ted scrambles for buyers, the pressure mounts as Ryan wants to see the airplane sold for scrap.

Fantasies turn to nightmares when Connor enlists Rust Bros on a personal build; Avery goes over budget on his dream truck; James tackles a project from his past.

As Matt and his team chase the elusive one that got away, they risk getting in over their heads, literally, as an extraction nearly sinks their whole trip.

Ted and the salvage team undertake the challenge of salvaging a decommissioned 727 airplane; while Ted scrambles for buyers, the pressure mounts as Ryan wants to see the airplane sold for scrap.

Fantasies turn to nightmares when Connor enlists Rust Bros on a personal build; Avery goes over budget on his dream truck; James tackles a project from his past.

Border officers stop a young British visitor meeting an American cyber pal at Detroit Metro Airport, and a Chinese traveler is caught using his mobile phone in a secondary inspection in Chicago.

A strong odor leads to a secondary inspection for two Americans in Port Huron; an officer finds gold at Chicago's O'Hare Airport.

Hawkeye, B.J. and their medical cohorts find a new way to escape the depressive atmosphere of the war.

Both Charles and Klinger develop romantic liaisons while forgetting their troubles at Rosie's Bar.

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 one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

In 1969, a serial killer taunts investigators with cryptic ciphers, leaving police and the public questioning his identity for over 50 years; new evidence and technology may finally be able to crack his code and discover who the Zodiac Killer is.

Despite centuries of sightings and searches, one deep-sea monster remains unidentified; as evidence continues to mount, the mystery endures as to whether the Loch Ness monster exists.

It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the English countryside for millennia; nobody knows how the landmark was built or why.

Hawkeye, B.J. and their medical cohorts find a new way to escape the depressive atmosphere of the war.

Both Charles and Klinger develop romantic liaisons while forgetting their troubles at Rosie's Bar.

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 one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

Cost-cutting moves to save on some of the Titanic's three million rivets; shortcuts taken while building a gladiator stadium in ancient Rome; how a little carelessness triggers deadly engineering failures in history.

As the team makes discoveries on Lot 8 and in the Money Pit area, new research draws another link between the Oak Island mystery and the Knights Templar.

Notorious mobster Bugsy Siegel is gunned down in his Beverly Hills living room; Siegel's killing becomes front page news; no arrest is ever made.

Japan is a land rich with ancient mysteries and it has also become known as a UFO hotspot.

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 one step ahead of law enforcement for nearly two decades. How did investigators finally catch "The Unabomber," and bring one of America's most elusive criminals to justice?

Notorious mobster Bugsy Siegel is gunned down in his Beverly Hills living room; Siegel's killing becomes front page news; no arrest is ever made.