TV Schedule for Smithsonian Channel USA - Pacific HD

How Did They Build That? Supertalls & Firehouses

Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.

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? Jungles & Bricks

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

How Did They Build That? Arctic Modules & Auditoria

The engineering secrets behind a mobile research station in Antarctica, a gravity-defying concert hall on the Canary Islands, and a rotating boat lift in Scotland.

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? 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? 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? 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? Boxes & Birds

The American Museum of Natural History in NYC gets a cave-like extension; an arts center inspired by migrating birds is built on a lake in China; Boston University gains a fossil-free, Jenga-like tower.

How Did They Fix That? Panama Canal Railway

A ride on the Panama Canal Railway reveals the track repairs, engine overhauls and dangerous searches involved in keeping vital freight runs rolling.

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? US Coast Guard: Safeguarding The Seas

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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.

Air Disasters Training Ignored

Investigators hunt for answers when the pilots of three aircraft skip protocols, ignore their training and crash.

Air Disasters The Final Push

Investigators try to find the cause of two similar air crashes that happened nearly 12 years apart.

Air Disasters Playing Catch Up

A private jet attempting to compensate for a late approach to the airport, slams into an Ohio apartment building just a couple of miles from the runway.

Air Disasters Deadly Display

A high-stakes demonstration flight in Indonesia turns catastrophic when a Russian jet slams into a mountain.

Air Disasters Fanning the Flames

A complex recovery operation is launched to find out if a 747 which disappeared into the Indian Ocean was carrying illegal weapons.

Air Disasters Sideswiped

A Boeing 737 leaving Panama City crashes into one of the most remote and treacherous jungles on the planet.

Air Disasters Imperfect Pitch

On 27 November 2008, an aircraft on a post-maintenance test flight operating as XL Airways Germany Flight 888T stalls and crashes into the Mediterranean Sea off the coast of France, killing all seven people on board.

Air Disasters 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 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 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.