Two oil tankers cause massive environmental damage to Britain's coastline.
Devastating earthquakes hit Los Angeles and Kobe, Japan.
Lack of foresight turns floods into terrifying disasters.
The Challenger space shuttle.
A series of crashes threatens the future of the DC-10.
Attempts fail to resolve problems with high-rise flats.
The Herald of Free Enterprise and the Estonia sink seven years apart.
The fatal air crash in Kegworth in 1989.
The events of October 1957, when a fire broke out inside Britain's first nuclear reactor.
Radioactive material spills in a Mexican scrapyard.
The 1996 cervical smear scandal.
A dramatic reconstruction tells the tragic story of the Marchioness pleasure boat which sank on the Thames in 1989.
The tragedy of the Apollo One space launch.
A nuclear submarine accident kills all on board.
Passengers aboard a Japanese airliner prepare for a terrible disaster.
The dramatic rescue of men trapped in an ore mine.
Problems plague the Russian passenger plane known as the Konkordski.
Korean Airlines Boeing 747 is shot down over the Sea of Japan.
Cosmonaut Vladimir Komorav becomes the first victim of the space race.
A roof collapses killing more than 500 people.
A radioactive explosion in 1957 contaminates land in the Soviet Union.
A tragedy in Ohio leads to radical changes in bridge building.
The collapse of a drilling rig affects the design of future platforms.
An accident off the Pembrokeshire coast prompts an investigation.
Conditions cause a Boeing 737 to catch fire at Manchester Airport.
Deadly gas from Lake Nyos in Cameroon kills nearly 2,000 people in 1986.
A rocket misfire causes explosions that destroy the carrier Forrestal.
The 1986 fire at King's Cross underground station.
Forest fires' destructiveness.
The Piper Alpha disaster.
The evacuation of orphans in Vietnam results in tragedy.
The Hindenburg disaster.
The world's worst airplane collision; air traffic controllers may have prevented this.
Some 6500 were killed when 45 tons of chemicals were released into the air in 1984 in Bhopal, India.
1985 disaster of the Heysel Stadium; today's design of football grounds.
The 1992 crash of a cargo plane in Amsterdam could have been avoided.
The 1997 forest fire in Indonesia caused death and destruction.
Investigate the 1975 train crash that killed 43 people.
A coal-tip slide crushes the Pantglas School in Aberfan, Wales, killing 144.