Smithsonian HD Network
美国
Smithsonian HD Network 呈現來自該機構檔案與研究的紀錄片及紀實節目，頻道聚焦美國歷史、自然科學、太空探索與文化遺產，常運用歷史檔案影片與專家評論。節目涵蓋軍事科技、古生物學、航空學及美國總統生平等主題。該頻道內容以高畫質製作，並在許多紀錄片時段避免商業廣告干擾。頻道透過美國各地的有線電視與衛星供應商提供。
觀眾可透過本地電視指南或該頻道網站查詢節目表，網站按日期與時間列出即將播出的節目。部分集數亦可透過參與的有線電視平台隨選串流觀看。該頻道不播出電影、音樂錄影帶或現場體育賽事。其節目專為對教育內容與機構敘事感興趣的觀眾設計，不依賴真人秀或購物時段。
节目表
00:00 - 01:00
Mighty Planes
Martin Mars
Series, Documentary, Aviation
The Martin Mars water bomber is the world's largest seaplane and has flown more than 8,000 firefighting missions.
01:00 - 02:00
Mighty Trains
Indian Pacific
Series, Documentary, Travel
The Indian Pacific is a four-day, 4,352-kilometer transcontinental journey across Australia, a trip which features the world's longest straight stretch of railway and steepest incline.
02:00 - 03:00
Mighty Cruise Ships
Royal Clipper
Series, Documentary, Travel
Royal Clipper is the largest sailing cruise ship in the world, celebrating tall ships of the 19th century while offering modern-day service for its guests.
03:00 - 04:00
Mighty Cruise Ships
Seven Seas Explorer
Series, Documentary, Travel
Sailing from Chile and Peru to Ecuador and Costa Rica, the luxurious Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers.
04:00 - 05:00
Mighty Trains
Frecciarossa 1000 And Italo EVO
Series, Documentary, Travel
Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.
05:00 - 06:00
Mighty Trains
White Pass And Yukon Route
Series, Documentary, Travel
The White Pass and Yukon route was built in 1869 to take miners and supplies to the Klondike gold fields.
06:00 - 07:00
Mighty Cruise Ships
AIDAnova
Series, Documentary, Travel
We hop aboard a seven-day cruise to the Canary Islands and Madeira aboard the first large liner to run purely on cleaner-burning liquefied natural gas.
07:00 - 08:00
Mighty Cruise Ships
Stella Australis
Series, Documentary, Travel
The only cruise ship designed specifically to navigate the treasures and dangers at the southern tip of South America.
08:00 - 09:00
Mighty Cruise Ships
MSC Regal Princess
Series, Documentary, Travel
Follow mega cruiser Regal Princess as she whisks guests to Germany, Russia, and Scandinavia in style.
09:00 - 10:00
Mighty Cruise Ships
Azamara Journey
Series, Documentary, Travel
Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach.
10:00 - 11:00
How Did They Build That?
Supertalls & Firehouses
Series, How-to
Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.
11:00 - 12:00
How Did They Build That?
Floating & Lifting
Series, How-to
Architects and engineers build an eco-friendly convention center on Vancouver's waterfront, a lift bridge in Bordeaux and a cocoon-shaped skyscraper in Tokyo each with unique challenges like marine habitats and massive spans.
12:00 - 13:00
How Did They Build That?
Twists & Turns
Series, How-to
Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.
13:00 - 14:00
How Did They Build That?
Medals & Marinas
Series, How-to
Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum; traveling to Singapore for a look at a leaning tower of gambling, then exploring a New York City office building that lets the sun shine through.
14:00 - 15:00
How Did They Build That?
Shipyards & Slender Builds
Series, How-to
A 284ft wooden skyscraper built from 1,200 bespoke pieces tests fire safety limits in Milwaukee; a decaying Amsterdam crane track transforms into glass offices; a needle-thin tower stacks 28 apartments onto a 21ft-wide plot in Melbourne, Australia.
15:00 - 16:00
How Did They Build That?
Arctic Modules & Auditoria
Series, How-to
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.
16:00 - 17:00
How Did They Build That?
Boxes & Birds
Series, How-to
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.
17:00 - 18:00
How Did They Build That?
Cables Cars & Rooftop Parks
Series, How-to
Witnessing amazing buildings, bridges, lifts and other structures that pushed structural concrete engineering to the edge.
18:00 - 19:00
How Did They Fix That?
Euro Hauler
Series, Documentary
Following a million-dollar freight run across four European countries and meeting the drivers, engineers and maintenance teams who keep the train running.
19:00 - 20:00
How Did They Fix That?
Scream Machines
Series, Documentary
Mike works with repair and construction teams at Dreamworld, Australia's largest theme park, after a cyclone caused $4M in damage; they fix scream machines and finish a $50M expansion featuring the world's first triple switch rollercoaster.
20:00 - 21:00
How Did They Fix That?
Toronto Tunnel
Series, Documentary
Host Mike Davidson assists on a multi-million-dollar tunnel-boring project underground in Toronto.
21:00 - 22:00
How Did They Fix That?
Abandoned Oil Wells
Series, Documentary
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.
22:00 - 23:00
How Did They Fix That?
Savannah: Mega Cranes & Mega Moves
Series, Documentary
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.
23:00 - 00:00
How Did They Fix That?
Deep Sea Fish Farm
Series, Documentary
Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama.