How Did They Build That?
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Wednesday, April 22
Facelifts & Scaffolds
Season 4 • Episode 8
A museum building bends 1,100-glass tubes to form a facade and tunnels below the water table.
Wednesday, April 22
Boxes & Birds
Season 3 • Episode 10
The American Museum of Natural History gets a cave-like extension; Boston University gains a tower.
Wednesday, April 22
Heights & Balance
Season 3 • Episode 5
A 1.2 million square foot office building balances precariously on a 39-foot wide base in Chicago.
Wednesday, April 22
Super Stadiums & Extraordinary Elevators
Season 4 • Episode 9
Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX.
Wednesday, April 22
Fantastic & Futuristic
Season 3 • Episode 1
A building inspired by a mountain valley; a launchpad for space travel prepares for liftoff.
Wednesday, April 22
Subways & Sightlines
Season 3 • Episode 8
A sculptural high-rise with rippling balconies; Mammoth machines bore 26 miles of tunnels.
Wednesday, April 22
Mirrors & Marble
Season 2 • Episode 9
Revealing the architectural secrets of Australia's One Central Park, the Oslo Opera House and more.
Wednesday, April 22
Cantilevers & Lifts
Season 1 • Episode 1
An unstable high rise, an otherworldly museum, and a towering cliffside elevator.
Wednesday, April 22
Shipyards & Slender Builds
Season 4 • Episode 6
A 284ft wooden skyscraper built from 1,200 bespoke pieces tests fire safety limits in Milwaukee.
Wednesday, April 22
Medals & Marinas
Season 4 • Episode 2
Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum.
Wednesday, April 22
Space Stations and Super
Season 4 • Episode 1
Learn how astronauts constructed the ISS while circling the Earth at 17,500 miles per hour.
Wednesday, April 29
Floating Parks & Upcycled Towers
Season 4 • Episode 10
A 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a park is created.
Wednesday, April 29
Biomes & Rebuilds
Season 1 • Episode 3
A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.
Wednesday, April 29
Breakthroughs & Bridges
Season 2 • Episode 8
Visiting Gherkin, Evergreen Point Floating Bridge and Musée des Confluences for their origins.
Wednesday, April 29
Swamps & Swagger
Season 2 • Episode 2
The design and construction of revolutionary buildings in Spain, New York and Florida.
Wednesday, April 29
Towers & Roofs
Season 1 • Episode 2
A Manhattan high-rise; an Athens cultural center; a Singapore university.
Wednesday, April 29
Ecobuilds & Earthquakes
Season 4 • Episode 5
A 9,000 ton timber roof is built without stopping flights at Portland International Airport.
Wednesday, April 29
High Waters & Harsh Winds
Season 4 • Episode 4
Defy gravity in an Amsterdam high-rise; marvel at three interconnected towers in Chicago.
Wednesday, April 29
Floating & Lifting
Season 3 • Episode 7
Architects and engineers build an eco-friendly convention center on Vancouver's waterfront.
Wednesday, April 29
Parking & Sparkling
Season 3 • Episode 4
A 1400-foot tapering skyscraper is built right next to New York's Grand Central.
Wednesday, April 29
Sky Gardens & Seismic Stations
Season 1 • Episode 7
A massive sky garden in Singapore, a tower in Brighton, and a railway station in Vesuvius.
Wednesday, April 29
Tricks & Trains
Season 3 • Episode 6
An Olympic and Paralympic museum tests engineers; a curved glass skyscraper battles gravity.
Wednesday, May 6
Riverparks & Artworks
Season 2 • Episode 1
Visiting Little Island, the Denver Museum of Art and La Tête Carrée to reveal how they were built.
Wednesday, May 6
Upside Down & Under Sea
Season 2 • Episode 6
Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library.
Wednesday, May 6
Viaducts & Hotels
Season 1 • Episode 4
A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.
Wednesday, May 6
Steep & Stunning
Season 2 • Episode 7
The world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.
Wednesday, May 6
Summit & Submerge
Season 4 • Episode 7
Building an eco-friendly visitor center in the permafrost on Colorado's Pikes Peak tests the team.
Wednesday, May 6
Elevated & Elegant
Season 2 • Episode 4
Traveling from Canada to Belgium and to the U.S. to examine a school, museum and railway station.
Wednesday, May 6
Skywalks & Suspensions
Season 2 • Episode 5
The design and engineering secrets behind the Grand Canyon Skywalk, Audain Museum and more.
Wednesday, May 6
Arches & Opera Houses
Season 1 • Episode 6
The inside stories behind a horseshoe-shaped complex in Rotterdam and a rock-shaped opera house.
Wednesday, May 6
Jungles & Bricks
Season 3 • Episode 2
Exploring the engineering and architectural masterpieces like The Copper.
Wednesday, May 6
Canyons & Curves
Season 3 • Episode 3
Engineers grapple with an apartment building; the Gateway Arch takes shape in St. Louis.
