When design flaws fell projects, the cost is often exacted in lives as we see in this look at engineering disasters. Why did the Tower of Pisa begin to lean by as much as 17 feet; what caused the first nuclear accident in 1961 in Idaho.

Engineering disasters can result in personal tragedy, national humiliation, and economic ruin. But buried within their wreckage lie lessons that point the way to a safer future. The fire at the Las Vegas MGM Grand Hotel, the collapse of Seattle's Lacey V. Murrow Floating Bridge, the car that spurred creation of the National Highway Transportation Safety Administration, and the flaw that grounded the first commercial jet are among the engineering disasters that led to improvements in design and safety.

An in-depth look at the modern era's most complex, deadly, and controversial engineering failures. With the aid of 3-D animation, forensic experts, and footage of disasters, we seek to understand what went wrong and how mishap led to remedy. Stories include: the Marines' AV-8 Harrier "Jump Jet;" the Ford Explorer/Firestone rollovers; fire on the Piper Alpha offshore oilrig; derailment of a high-speed train in Germany; and computer errors that brought the world to the brink of accidental nuclear war.

Engineers and architects reveal what went wrong in five engineering disasters, including the Baldwin Hills Dam that suddenly gave way, spilling liquid havoc in a quiet LA neighborhood; a mysterious plane crash that killed all aboard (Lockheed Electra); a massive freighter's shuddering crash into Tampa Bay's Sunshine Skyway Bridge; the 1994 Northridge, California earthquake that shook down poorly engineered buildings; and a 4-decade-old coal mine fire that turned Centralia, Pennsylvania into a ghost town.

Join us for a devastating but enlightening hour as we delve into complex and often-tragic engineering failures that have shaped our world. Five dramatic events unfold as we discover the causes of: the 1983 collapse of New England's Mianus Bridge; the sinking of the Ocean Ranger offshore oilrig in 1982; the crash of a Learjet 35 private plane carrying pro-golfer Payne Stewart in 1999; the 19th-century failure of South Fork Dam that resulted in the flooding of Johnstown, Pennsylvania; and the 1988 PEPCON (Pacific Engineering Production Company of Nevada) jet fuel plant explosion.

Disasters investigated include: the 1984 Union Carbide debacle in Bhopal, India, where a toxic chemical release killed 3,800 people and left 11,000 with disabling respiratory ailments; and the 2003 sudden collapse of a 10-story parking garage at the Tropicana in Atlantic City, New Jersey that killed four and injured 20. We find out why a series of structures in Hutchinson, Kansas mysteriously caught fire and exploded in 2001 and examine the 1933 construction of a canal ordered by Soviet dictator Joseph Stalin that later proved to be nearly useless and cost many lives. And we get to the bottom of a maritime mystery, when a tanker carrying non-explosive materials in San Francisco Bay blew up in 1983.

Examine one of the most mysterious maritime tragedies, when the sturdy Edmund Fitzgerald suddenly sank on a stormy night in November 1975; and unlock the mysteries of the rudder problems behind two Boeing 737 crashes--a 1991 United flight and 1994 US Air flight. Then, we take viewers inside one of the most dangerous but least-known nuclear disasters in US history--a meltdown at a secret government facility in 1959. We also travel to an oil storage facility where nearly 4-million gallons of diesel fuel suddenly flowed out as the storage tank cracked and catastrophically unzipped from top to bottom. Finally, we take a "close look" at microscopic structures causing gigantic problems in the electronics industry--tin whiskers, as they are known by researchers, that spontaneously grow from pure tin coatings on electronic boards and microchips.

In March of 2005, the BP Refinery in Texas City, Texas, suffered a series of explosions that decimated a large portion of the facility and killed 15 workers. Examine the series of events that led to one of the worst industrial accidents in the United States. Then we'll document the unusual circumstances that caused American Airlines flight 587 to fall from the sky. What happened in Times Beach, Missouri, when a local waste hauler oiled down dusty roads with oil that was laced with dioxin? Next we'll look at what went wrong with NASA's Skylab in 1974, and finally we'll examine the fire that destroyed the gas company, Praxair, in June of 2005. Interviews with survivors help complete the picture.

When design flaws fell projects, the cost is often exacted in lives as we see in this look at engineering disasters. Why did the Tower of Pisa begin to lean by as much as 17 feet; what caused the first nuclear accident in 1961 in Idaho.

Engineering disasters can result in personal tragedy, national humiliation, and economic ruin. But buried within their wreckage lie lessons that point the way to a safer future. The fire at the Las Vegas MGM Grand Hotel, the collapse of Seattle's Lacey V. Murrow Floating Bridge, the car that spurred creation of the National Highway Transportation Safety Administration, and the flaw that grounded the first commercial jet are among the engineering disasters that led to improvements in design and safety.

An in-depth look at the modern era's most complex, deadly, and controversial engineering failures. With the aid of 3-D animation, forensic experts, and footage of disasters, we seek to understand what went wrong and how mishap led to remedy. Stories include: the Marines' AV-8 Harrier "Jump Jet;" the Ford Explorer/Firestone rollovers; fire on the Piper Alpha offshore oilrig; derailment of a high-speed train in Germany; and computer errors that brought the world to the brink of accidental nuclear war.

Engineers and architects reveal what went wrong in five engineering disasters, including the Baldwin Hills Dam that suddenly gave way, spilling liquid havoc in a quiet LA neighborhood; a mysterious plane crash that killed all aboard (Lockheed Electra); a massive freighter's shuddering crash into Tampa Bay's Sunshine Skyway Bridge; the 1994 Northridge, California earthquake that shook down poorly engineered buildings; and a 4-decade-old coal mine fire that turned Centralia, Pennsylvania into a ghost town.

Join us for a devastating but enlightening hour as we delve into complex and often-tragic engineering failures that have shaped our world. Five dramatic events unfold as we discover the causes of: the 1983 collapse of New England's Mianus Bridge; the sinking of the Ocean Ranger offshore oilrig in 1982; the crash of a Learjet 35 private plane carrying pro-golfer Payne Stewart in 1999; the 19th-century failure of South Fork Dam that resulted in the flooding of Johnstown, Pennsylvania; and the 1988 PEPCON (Pacific Engineering Production Company of Nevada) jet fuel plant explosion.

Disasters investigated include: the 1984 Union Carbide debacle in Bhopal, India, where a toxic chemical release killed 3,800 people and left 11,000 with disabling respiratory ailments; and the 2003 sudden collapse of a 10-story parking garage at the Tropicana in Atlantic City, New Jersey that killed four and injured 20. We find out why a series of structures in Hutchinson, Kansas mysteriously caught fire and exploded in 2001 and examine the 1933 construction of a canal ordered by Soviet dictator Joseph Stalin that later proved to be nearly useless and cost many lives. And we get to the bottom of a maritime mystery, when a tanker carrying non-explosive materials in San Francisco Bay blew up in 1983.

Examine one of the most mysterious maritime tragedies, when the sturdy Edmund Fitzgerald suddenly sank on a stormy night in November 1975; and unlock the mysteries of the rudder problems behind two Boeing 737 crashes--a 1991 United flight and 1994 US Air flight. Then, we take viewers inside one of the most dangerous but least-known nuclear disasters in US history--a meltdown at a secret government facility in 1959. We also travel to an oil storage facility where nearly 4-million gallons of diesel fuel suddenly flowed out as the storage tank cracked and catastrophically unzipped from top to bottom. Finally, we take a "close look" at microscopic structures causing gigantic problems in the electronics industry--tin whiskers, as they are known by researchers, that spontaneously grow from pure tin coatings on electronic boards and microchips.

In March of 2005, the BP Refinery in Texas City, Texas, suffered a series of explosions that decimated a large portion of the facility and killed 15 workers. Examine the series of events that led to one of the worst industrial accidents in the United States. Then we'll document the unusual circumstances that caused American Airlines flight 587 to fall from the sky. What happened in Times Beach, Missouri, when a local waste hauler oiled down dusty roads with oil that was laced with dioxin? Next we'll look at what went wrong with NASA's Skylab in 1974, and finally we'll examine the fire that destroyed the gas company, Praxair, in June of 2005. Interviews with survivors help complete the picture.

When design flaws fell projects, the cost is often exacted in lives as we see in this look at engineering disasters. Why did the Tower of Pisa begin to lean by as much as 17 feet; what caused the first nuclear accident in 1961 in Idaho.

Engineering disasters can result in personal tragedy, national humiliation, and economic ruin. But buried within their wreckage lie lessons that point the way to a safer future. The fire at the Las Vegas MGM Grand Hotel, the collapse of Seattle's Lacey V. Murrow Floating Bridge, the car that spurred creation of the National Highway Transportation Safety Administration, and the flaw that grounded the first commercial jet are among the engineering disasters that led to improvements in design and safety.

An in-depth look at the modern era's most complex, deadly, and controversial engineering failures. With the aid of 3-D animation, forensic experts, and footage of disasters, we seek to understand what went wrong and how mishap led to remedy. Stories include: the Marines' AV-8 Harrier "Jump Jet;" the Ford Explorer/Firestone rollovers; fire on the Piper Alpha offshore oilrig; derailment of a high-speed train in Germany; and computer errors that brought the world to the brink of accidental nuclear war.

Engineers and architects reveal what went wrong in five engineering disasters, including the Baldwin Hills Dam that suddenly gave way, spilling liquid havoc in a quiet LA neighborhood; a mysterious plane crash that killed all aboard (Lockheed Electra); a massive freighter's shuddering crash into Tampa Bay's Sunshine Skyway Bridge; the 1994 Northridge, California earthquake that shook down poorly engineered buildings; and a 4-decade-old coal mine fire that turned Centralia, Pennsylvania into a ghost town.

Join us for a devastating but enlightening hour as we delve into complex and often-tragic engineering failures that have shaped our world. Five dramatic events unfold as we discover the causes of: the 1983 collapse of New England's Mianus Bridge; the sinking of the Ocean Ranger offshore oilrig in 1982; the crash of a Learjet 35 private plane carrying pro-golfer Payne Stewart in 1999; the 19th-century failure of South Fork Dam that resulted in the flooding of Johnstown, Pennsylvania; and the 1988 PEPCON (Pacific Engineering Production Company of Nevada) jet fuel plant explosion.

Disasters investigated include: the 1984 Union Carbide debacle in Bhopal, India, where a toxic chemical release killed 3,800 people and left 11,000 with disabling respiratory ailments; and the 2003 sudden collapse of a 10-story parking garage at the Tropicana in Atlantic City, New Jersey that killed four and injured 20. We find out why a series of structures in Hutchinson, Kansas mysteriously caught fire and exploded in 2001 and examine the 1933 construction of a canal ordered by Soviet dictator Joseph Stalin that later proved to be nearly useless and cost many lives. And we get to the bottom of a maritime mystery, when a tanker carrying non-explosive materials in San Francisco Bay blew up in 1983.

Examine one of the most mysterious maritime tragedies, when the sturdy Edmund Fitzgerald suddenly sank on a stormy night in November 1975; and unlock the mysteries of the rudder problems behind two Boeing 737 crashes--a 1991 United flight and 1994 US Air flight. Then, we take viewers inside one of the most dangerous but least-known nuclear disasters in US history--a meltdown at a secret government facility in 1959. We also travel to an oil storage facility where nearly 4-million gallons of diesel fuel suddenly flowed out as the storage tank cracked and catastrophically unzipped from top to bottom. Finally, we take a "close look" at microscopic structures causing gigantic problems in the electronics industry--tin whiskers, as they are known by researchers, that spontaneously grow from pure tin coatings on electronic boards and microchips.

In March of 2005, the BP Refinery in Texas City, Texas, suffered a series of explosions that decimated a large portion of the facility and killed 15 workers. Examine the series of events that led to one of the worst industrial accidents in the United States. Then we'll document the unusual circumstances that caused American Airlines flight 587 to fall from the sky. What happened in Times Beach, Missouri, when a local waste hauler oiled down dusty roads with oil that was laced with dioxin? Next we'll look at what went wrong with NASA's Skylab in 1974, and finally we'll examine the fire that destroyed the gas company, Praxair, in June of 2005. Interviews with survivors help complete the picture.