NATIONAL GEOGRAPHIC HD

Investigators and experts talk about the most devastating accidents in aviation history and explain the far-reaching consequences they have had on the industry.

The filmmaker, along with narrator Dev Patel, brings the geographical, cultural, technological and historical aspects of India to life through an aerial expedition.

Celebrity Chef Gordon Ramsay travels around the world to immerse himself into different cultures and cuisines. He then interacts with local chefs to learn and compete with them.

Prominent chef Luke Nguyen explores Southern India and meets with local cooks who introduce him to the region's vibrant cuisines.

Prominent chef Luke Nguyen explores Southern India and meets with local cooks who introduce him to the region's vibrant cuisines.

Survival instructor Hazen Auden tackles the towering Kanuku Mountain forests in the third leg of his challenge.

Gary attends the Riff Festival in Jodhpur celebrating music and food and later, he visits the Royal Enfield factory in Chennai.

A hyena is chased by frightened villagers, a reptile invades a home in the city and a lost leopard cub reunites with its mother.

Hazen battles his way through the dense Guyana jungle in search of Makushi tribesmen.

Survival instructor Hazen Audel seeks out a village hidden deep in the jungles of the Mekong Basin.

In one of the world's largest religious congregations, the Kumbh Mela, pilgrims attend the festival with the sole intention of washing off their sins in the holy waters of Ganga.

Specialised teams in India save twin leopard cubs that have fallen down a well, rescue a python and release a leopard back into the wild.

Hazen Audel goes on a deadly solo run into the deepest canyon in North America.