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Ice Airport Alaska
S5, EP8 "Sunspot"Two pilots try to build a new bush plane from 70-year-old designs. The Army gets its big guns airborne to protect America's north. Hurricane-force winds threaten Anchorage International, and NASA scientists blast off from Alaska.
Air Disasters
S20, EP24 "Risky Runways"In Sao Paolo, the Himalayas, and on the Norwegian coast, the toughest landings on earth pushed three flight crews.
Air Disasters
S3, EP11 "Nowhere to Land"Pilots of TACA Flight 110 make a remarkable landing on a narrow levee, but investigators must find out why the engines in a brand new plane failed.
Air Disasters
S6, EP8 "Death and Denial"In 1999, EgyptAir Flight 990 crashes into the Atlantic Ocean while flying from New York City to Cairo, killing all 217 people on board; the cause of the crash is disputed.
Air Disasters
S2, EP5 "Alarming Silence"Northwest Airlines Flight 255 crashes shortly after take-off in Detroit in 1987; a fatal preflight error caused the second-deadliest plane crash in the U.S. history.
Air Disasters
S18, EP12 "Flying on Empty"When Air Transat Flight 236 runs out of fuel over the Atlantic, its pilots desperately try to keep their Airbus A330 in the air until they reach land.
Air Disasters
S10, EP7 "Murder in the Skies"When Germanwings Flight 9525 crashes in the French Alps, investigators discover shocking truths about the co-pilot's mental health.
Air Disasters
S20, EP28 "Cockpit Breakdown"Three flights end in tragedy after miscommunication mix-ups and personality clases; Investigators try to unravel what went wrong.
How Did They Build That?
S2, EP9 "Mirrors & Marble"Visiting Australia's One Central Park, the Oslo Opera House and the California Academy of Sciences in San Francisco to reveal their architectural secrets.
How Did They Build That?
S1, EP3 "Biomes & Rebuilds"A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.
How Did They Build That?
S2, EP2 "Swamps & Swagger"Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida.
How Did They Build That?
S3, EP8 "Subways & Sightlines"A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.
How Did They Build That?
S3, EP5 "Heights & Balance"A 1.2 million square foot office building balances precariously on a 39 foot wide base in Chicago. A building named Pterodactyl lands on top of a Los Angeles parking garage. And the world's longest suspension footbridge.
How Did They Build That?
S3, EP3 "303"Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.
How Did They Build That?
S1, EP4 "Viaducts & Hotels"A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.
Air Disasters
S15, EP7 "Atlantic Ditching"A helicopter carrying offshore drilling workers crashes into the ocean, leading to an investigation that reveals a fatal flaw in the chopper's design.