TV Schedule for Smithsonian Channel USA - Pacific HD

How Did They Build That? Super Stadiums & Extraordinary Elevators

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

How Did They Build That? Fantastic & Futuristic

Challenges beset a sculptural new transportation hub for New York's World Trade Center; Amsterdam gains a building inspired by a mountain valley; a new launchpad for space travel prepares for liftoff in the New Mexico desert.

How Did They Build That? 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? 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? Cantilevers & Lifts

An unstable high rise, an otherworldly museum, and a towering cliffside elevator.

How Did They Build That? Parking & Sparkling

A dazzling new 1400 foot tapering skyscraper is built right next to New York's Grand Central. A curving wine museum requires ingenious engineering in Bordeaux, France. And possibly the world's most glamorous parking garage.

How Did They Fix That? Toronto Tunnel

Host Mike Davidson assists on a multi-million-dollar tunnel-boring project underground in Toronto.

How Did They Fix That? Abandoned Oil Wells

Mike Davidson goes on a cross-country road trip to help the Well Done Foundation; they work to find and cap some of the estimated 2 million leaking, toxic abandoned oil and gas wells scattered throughout the U.S.

How Did They Fix That? Savannah: Mega Cranes & Mega Moves

Mike helps fix the machines that keep one of the United States' biggest ports moving; he assists a team in moving a 3-million pound crane.

How Did They Fix That? Deep Sea Fish Farm

Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama.

How Did They Build That? Sky Gardens & Seismic Stations

The engineering secrets behind a massive sky garden in Singapore, the world's most slender tower in Brighton, and a railway station in the shadow of Vesuvius.

How Did They Build That? Tricks & Trains

A new Olympic and Paralympic museum tests engineers with its trailblazing accessible design. A dazzling curved glass skyscraper battles gravity in Milan. And a student center built under a noisy railroad.

How Did They Build That? Floating Parks & Upcycled Towers

On inadequate foundations, San Francisco's MoMA triples in size creating an exterior light enough to prevent collapse; a 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a five-acre park is created.

How Did They Build That? Biomes & Rebuilds

A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.

How Did They Build That? Breakthroughs & Bridges

Visiting London's Gherkin, Seattle's Evergreen Point Floating Bridge and Lyon's Musée des Confluences to uncover how and why they were built.

Air Disasters Vanished

On 1 June 2009, Air France Flight 447 stalls and crashes into the Atlantic Ocean while flying through a thunderstorm, killing all 228 people on board.

Air Disasters Mistaken Identity

The captain of a Navy cruiser must quickly determine if an approaching plane is friendly.

Air Disasters Time Critical

In a rush to complete their flights, three different flight crews skip key procedures, ignore signs of danger and make deadly decisions.

Air Disasters Killer Attitude

The pairing of a domineering pilot and an inexperienced first officer has deadly consequences in northern Minnesota.

Air Disasters Out of Sight

In one of the world's busiest airports, a large passenger plane crashes into a smaller one; a 1986 midair crash between planes near Los Angeles brings attention to disturbing congestion at airports.

Air Disasters Phantom Strike

In September 2006, a brand-new legacy business jet collides with a Boeing 737 over the Amazon forest.

Air Disasters Ripped Apart

Design innovations evolve as a result of terrible air disasters due to pressurization failure or explosive decompression.

Air Disasters Deadly Myth

The crash of a commuter flight to Detroit leads investigators to a cause the industry has known about for years.

Air Disasters Edge of Disaster

Atlantic Airways Flight 670 careened off the runway and became engulfed in flames.