TV Schedule for Smithsonian Channel USA HD

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.

How Did They Fix That? Powerships

Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need.

How Did They Fix That? Water Bombers: Fixing Aerial Firefighters

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

How Did They Fix That? Sky Rides

In the Alps of Switzerland, Mike helps an elite team install a new cable (rope) system on an iconic mountain gondola line, helps fix the world's steepest cogwheel railway track and explores mountaintop family farms only accessible.

How Did They Fix That? Tunnel Vision

Mike joins crews as they build the world's longest railway tunnel in the Alps, fixing gridlock through the infamous Brenner Pass by drilling, blasting and digging their way through the mountains.

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 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.

Air Disasters Peril Over Portugal

On December 21, 1992, Martinair Flight 495 crashes off the right side of the runway while attempting to land at Faro Airport in Faro, Portugal, in severe weather conditions, killing 56 of the 340 people on board.

Air Disasters Mission Disaster

After losing two engines near enemy territory, U.S. Air Force pilots abort their refueling mission and try to land their damaged plane.

Air Disasters Sight Unseen

Saudi Airways and Kazakhstan Airlines jets hit each other at 14,000 feet sending both planes spiraling to the ground.

Air Disasters Terror in San Francisco

The 2013 crash of Asiana Airlines Flight 214 in San Francisco shocks the nation.

Air Disasters Mountain Impact

Following three horrifying crashes, investigators uncover fatal flaws in the very operations designed to prevent aircraft from flying into mountains.

Air Disasters Soccer Tragedy

A plane carrying a Brazilian soccer team crashes just ten miles from the airport in 2016.

Air Disasters Explosive Clues

A look at three commercial planes that became targets over the Sinai Desert, the Sea of Japan and Ukraine.

Combat Ships Sunk

New high-tech investigations uncover what sunk a World War I cruiser, a World War II submarine, a British destroyer from the Falklands War, and more.

Combat Ships Top Guns

A look at how navy weapons have evolved over the centuries, from cannons to gun turrets to nuclear missiles and beyond.

Combat Ships Courageous Captains

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.