In Los Angeles, a controller sent a commuter plane onto a runway for takeoff just as a Boeing 737 was landing there, and their collision killed 37 people.
One of an Airbus A-380's engines explodes soon after taking off from Singapore, and the pilots have to hold the plane together and return to the airport.
On June 24, 1982, all the engines on British Airways Flight 009 mysteriously stop working, terrifying the passengers as the plane begins to fall from the sky.
In 1972 a McDonnell-Douglas DC-10 flying from Detroit to Buffalo, N.Y. loses a cargo door and decompresses; two years later another DC-10 has the same problem.
The Viking Longship Gefjon is one of the latest in Viking Rivers' line of longships that cruises the Danube, Main and Rhine Rivers, navigating tight channels.
The Sky Princess carries passengers from Fort Lauderdale, Fla., to three Central American stops, and it manages to get into and out of ports despite its size.
The Marco Polo delivers travelers to cities such as Copenhagen, St. Petersburg and Helsinki in late autumn, when crowds are smaller but travel is riskier.
A detailed look is taken at a cruise of the Baltic Sea on the Regal Princess ship, and how the captain and crew deliver memorable experiences to passengers.
The luxurious Rovos Rail travels from Pretoria to Cape Town, South Africa, in classic carriages pulled by a series of steam, diesel and electric locomotives.
MS Fram, a cruise ship that goes where others fear to tread, leaves Reykjavik, Iceland, sailing in and out of the fjords of Greenland on its way to Ilulissat.
The MS Symphony of the Seas is built to house, feed, transport and entertain more than 5,500 passengers as they sail to ports in Spain, France and Italy.
The MS Marina is Oceania Cruises' largest ship and makes a 12-day voyage with stops at ports in Scotland, England, Wales, Northern Ireland and Iceland.
The Viking Star-class cruise ship visits southern Spain, Normandy and the canals of Amsterdam, as the crew navigates narrow passages and battles rough seas.
An in-depth look is taken at a legendary locomotive called the Canadian as its crew works tirelessly to keep the train in pristine condition on its journey.
The Stella Australis takes passengers to parts of South America few people have seen, visiting sub-polar forests, vast glaciers and other remote areas.
The MS Koningsdam is a Dutch mega-cruise ship operated by Holland America, it is their largest and most technologically advanced ship ever constructed.