This personal odyssey takes a surprising and revealing look at the magnificent giraffe.

Earth is home to over 1.6 Million known animal species, each playing a role in the symbiotic beauty of nature. Explore the many species of birds, wildcats, fish, elephants, whales, and more which live on this big blue planet we call home.

Tornados or sandstorms take simple ingredients like air, earth and water and transform them into something spectacular, powerful and incredibly dangerous. And despite scientists studying it for thousands of years, we know far less about how weather works than anyone might expect. This, however, is about to change: by teaming up with maverick experts and renowned specialists from all around the world, a whole range of fascinating new discoveries from...

Using recently declassified CIA documents, Nat Geo reveals what has been happening at the Area 51 testing facility.

Dolphins are one of the most social and playful animals on the planet. They develop strong family and group relationships and often work work with other species to find a meal, while having plenty of fun along the way. This series explores the unexpected and often never-seen-before aspects of dolphin behavior using specially designed cameras and the latest technology.

As the earth warms, sea levels rise, and super-storms become more frequent and intense; many major coastal cities will soon be under water. Sinking Cities shows New York, London, Tokyo and Miami preparing for the real-time impact of rising seas and devising colossal new construction projects, and groundbreaking solutions aimed at securing their future.

A compelling and complex story of one of the most convulsive and transformative eras in American history. In the closing decades of the nineteenth century, the U.S. population doubled in the span of a single generation, national wealth expanded, and two classes rose simultaneously, separated by a gulf of experience and circumstance that was unprecedented in American life.

Hawaii's Kilauea volcano erupted in 2018, sending rivers of lava through communities and into the sea. Join scientists and local residents as they investigate this frightening spike in volcanic activity that turned an island paradise into an inferno.

From land, boat, and sky. Above and below the water. From the point of view of the animals and people who are found there, we will show these rivers as they have never been seen before, highlighting each river's very own unique atmosphere and character so that each episode will have its own mood. This series will find new perspectives to cover these amazing waterways. Using the latest in filming technology, they will take viewers on a journey to uncover...

NOVA investigates how trains can be agents of such tragic destruction by dissecting the most infamous accidents, unraveling how the laws of physics stack the deck against trains, and exploring how creative innovations are bringing about a revival in train tech.