National Geographic HD
美国
National Geographic HD 播出涵蓋科學、自然、歷史與探索領域的紀錄片及紀實節目。頻道內容通常包含長篇紀錄片、野生動物與生態系統系列節目，以及針對全球文化與環境議題的調查報導。多數節目源自國家地理學會的研究與探險，著重於視覺敘事與實地新聞報導。在美國，該頻道以有線電視與衛星服務形式營運，並以高畫質播出。節目表中常包含自然史影片、考古專題及科技特輯，但本描述未提及任何特定節目或主持人。
觀眾可透過精選串流平台線上存取頻道內容，這些平台提供直播訊號或近期季數的隨選回看。National Geographic HD 的電視節目表由各別有線電視業者發布，並因地區與訂閱方案而異。該頻道不播出音樂影片、宗教節目、購物時段或體育賽事。其編輯方針始終立足於科學與文化研究基礎上的非虛構敘事，且不包含關於收視規模或業界地位的宣傳性聲明。
节目表
00:00 - 01:00
Lost Treasures of the Maya
Secrets of the Snake Altar
Series, History, Documentary
A treasure map leads to the discovery of a lost fortress; a sacred altar is unearthed, revealing secrets of the legendary Maya Snake King uprising; Albert Lin travels to a remote jungle, where technology reveals evidence of a forgotten war.
01:00 - 02:00
The Rise and Fall of the Maya
Origins
Series, Documentary, History
In June 2020, scientists discovered Aguada Fénix, a monumental 3,000-year-old Maya structure, and uncovered the secrets of this ancient monument.
02:00 - 03:00
The Rise and Fall of the Maya
Civilization
Series, Documentary, History
New evidence unearthed in Mexico's Yucatan begins to transform long-held ideas about the growth of the Mayan civilization.
03:00 - 04:00
The Rise and Fall of the Maya
Collapse
Series, Documentary, History
Evidence of man-made reservoirs and toxic contaminants, and clues of battles and monumental pressure paint a picture of the Maya's downfall.
04:00 - 05:00
The Rise and Fall of the Maya
Resilience
Series, Documentary, History
While the arrival of the Spaniards in the 16th century triggered a series of wars that caused the abandonment of the great Mayan cities, there is evidence that the Mayans never disappeared and their civilization never fell.
05:00 - 06:00
Lost City of Machu Picchu
Special, Documentary, History
An investigation into the mysterious people who built Machu Picchu, the 15th-century Inca citadel located in southern Peru.
06:00 - 07:00
Stonehenge: The Final Mystery Revealed
Special, History
Seek the truth buried beneath Britain's most iconic stones.
07:00 - 08:00
Ice Road Rescue
Damage Control
Series, Reality, Travel, Nature, Outdoors, Documentary, Adventure
Thord is busy rescuing two crashed trucks, so when he gets a call about a group of teenagers who've skidded off the road, he sends his daughter Malin.
08:00 - 09:00
Lost Cities With Albert Lin
Petra's Hidden Origins
Series, Travel, Adventure, Documentary
Albert Lin travels to Petra, Jordan, to discover the origins of the famous city; he learns that it was built by the Nabataeans and reveals that the ancient city of Petra was part of a much larger network than he had ever imagined.
09:00 - 10:00
Lost Cities With Albert Lin
Fortress of the Knights Templar
Series, Travel, Adventure, Documentary
National Geographic explorer and scientist Albert Lin travels to Acre, Israel, in search of the lost fortunes of the mysterious Knights Templar.
10:00 - 11:00
Lost Cities With Albert Lin
El Dorado: City of Gold
Series, Travel, Adventure, Documentary
Albert Lin travels to Colombia to find out the truth about the legendary city of El Dorado.
11:00 - 12:00
Lost Cities With Albert Lin
Ghost City of the Pacific
Series, Travel, Adventure, Documentary
Albert Lin travels to Micronesia, in the heart of the Pacific Ocean, to uncover the ancient island city of Nan Madol.
12:00 - 12:30
Paid Programming
Consumer, Shopping, Variety
Paid programming.
12:30 - 13:00
Paid Programming
Consumer, Shopping, Variety
Paid programming.
13:00 - 13:30
Paid Programming
Consumer, Shopping, Variety
Paid programming.
13:30 - 14:00
Paid Programming
Consumer, Shopping, Variety
Paid programming.
14:00 - 14:30
An Aetna Medicare Advantage plan might be right for you
Consumer
When it comes to Medicare coverage, there are a lot of options. Learn about your choices so that you can select the coverage that's right for you. Call to speak with a licensed Aetna agent today.
14:30 - 15:00
Inogen Portable Oxygen - No More Tanks!
Health, Consumer, Science, Medical, Technology
Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.
15:00 - 15:30
Border Security: Australia's Front Line
Cigarette Syndicate
Series, Documentary, Public affairs
Australian Border Force combines with Victoria Police in order to shut down an unsuspecting criminal syndicate that is bringing in cigarettes illegally.
15:30 - 16:00
Border Security: Australia's Front Line
Unusual Bust
Series, Documentary, Public affairs
A woman's bizarre bust shocks officers; a karaoke machine hides drugs.
16:00 - 16:30
Border Security: Australia's Front Line
Fishy Truth
Series, Documentary, Public affairs
A passenger's suitcase with an unusual lining sets alarm bells ringing for the Border Force, prompting officers to dig a little deeper to find out exactly what the man is trying to hide.
16:30 - 17:00
Border Security: Australia's Front Line
Undeclared Danger
Series, Documentary, Public affairs
A passenger returning from China has two extra passports in his bag, raising questions from inspecting officers; a container from Lebanon of household goods, furniture and food is hiding hundreds of illicit items.
17:00 - 17:30
Border Security: Australia's Front Line
Lethal Container
Series, Documentary, Public affairs
A martial artist says he purchased a bottle of cologne at a market in Thailand, but Border Force believes there is more to his story; a couple from Bhutan has a prohibited item in their suitcase.
17:30 - 18:00
Border Security: Australia's Front Line
High Risk
Series, Documentary, Public affairs
A backpack sent by mail catches the attention of officers when none of the declared items appear to be anything like they should; closer inspection reveals a large haul of narcotics.
18:00 - 18:30
Border Security: Australia's Front Line
Hidden Millions
Series, Documentary, Public affairs
Two men come to the attention of the Border Force when they are caught attempting to avoid inspection of their suitcases; a couple from China do not want to pay the fine for all their prohibited food items.
18:30 - 19:00
Border Security: Australia's Front Line
Illicit Substance
Series, Documentary, Public affairs
A man's luggage tests positive for drugs and a dog makes a huge find.
19:00 - 19:30
Border Security: Australia's Front Line
Bolt Cutter Bust
Series, Documentary, Public affairs
A drug dog alerts to a man's bag; an X-ray reveals a shocking find.
19:30 - 20:00
Border Security: Australia's Front Line
Jewelry and Lies
Series, Documentary, Public affairs
A man's unusual jewelry raises alarms; snacks hide a dark secret.
20:00 - 20:30
Border Security: Australia's Front Line
Business or Holiday
Series, Documentary, Public affairs
Officers find something on a Bulgarian visitor's phone that may end his holiday early; two fruit pickers from Tonga fail to declare prohibited items.
20:30 - 21:00
Border Security: Australia's Front Line
Hidden Agenda
Series, Documentary, Public affairs
A honeymooning couple's odd travel plans spark an intense investigation.
21:00 - 21:30
Border Security: Australia's Front Line
Illegal Import
Series, Documentary, Public affairs
A Chinese bulk carrier's security breach leads to a discovery.
21:30 - 22:00
Border Security: Australia's Front Line
Positive Readings
Series, Documentary, Public affairs
When three visitors from Malaysia raise alarms as they cancel their accommodation just before their flight, their lies begin to unravel.
22:00 - 23:00
To Catch a Smuggler: Peru
Caught On Camera
Series, Reality, Crime
A man claims the alpaca rugs he carries are souvenirs, but they conceal drugs; a young woman hides drugs in her bag.
23:00 - 00:00
To Catch a Smuggler: Peru
Family Affair
Series, Reality, Crime
A woman with cocaine in her suitcase comes clean; a Japanese karaoke star is carrying more than music; a carrier implicates her own mother.