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
How Did They Fix That?
Lava Wars
Series, Documentary
In Grindavik, Iceland, crews repair earthquake fissures, build lava barriers and track magma, gases and ground movement while divers inspect a damaged harbor pier in a town shaped by ongoing eruptions.
01:00 - 02:00
Ice Airport Alaska
To The Ends Of The Earth
Series, Documentary, Aviation
Pilots fly over the dangerous Brooks mountains, so engineers can fix a remote weather station, a veteran pilot tests a rookie on their bush plane landings, crews fight ice and wind to save a winter festival, and engineers race.
02:00 - 03:00
Air Disasters
Impossible Landing
Series, Aviation, Documentary
A look at the fate of United Airlines Flight 232 which crashed into Sioux City's runway in 1989; it caused a subsequent explosion that left 111 people dead.
03:00 - 04:00
Air Disasters
Dangerous Winds
Series, Documentary, Aviation
Three planes fall prey to deadly winds, and it is up to investigators to find out why.
04:00 - 05:00
Air Disasters
The Heathrow Enigma
Series, Documentary, Aviation
A British Airways Flight's engines failure to respond cause the plane to crash-land just short of the runway.