Documentary AreaSimply the best Documentaries

The Cave of Swallows in Mexico is a 400m vertical shaft, deep enough to engulf the Empire State Building. The Lechuguilla cave system in the USA is 193km long and 500m deep with astonishing crystal formations hanging from its chambers. Although often overlooked, caves are remarkable habitats with equally bizarre wildlife. Cave angel fish cling to the walls behind cave waterfalls with microscopic hooks on their flattened fins. Cave swiftlets navigate by echo-location and build nests out of saliva. The Texas cave salamander has neither eyes nor pigment. Unique access to a hidden world of stalactites, stalagmites, snotites and troglodytes brings a wealth of surprises.

Zachary Quinto explores the unpredictable and terrifying phenomenon of sinkholes to determine just what causes them. He visits a Florida man whose brother was killed when their family home was literally swallowed whole by the Earth as well as a series of sinkholes that are forming a series of caves right below the houses of a quaint suburban neighbourhood.
Whether they be a part of some biblical prophecy or further evidence of mankind's effect on our planet, he's alarmed to discover that all the same, they can strike anywhere in the world, at any time.

In the second episode of Asia – Above the Clouds, you will witness the incredible inhabitants of the continent’s mountainous regions. Watch elephants roaming the high-altitude tea plantations of India and swifts gathering in the majestic limestone caves of Thailand. In Pakistan, witness markhors battling on sheer cliffs, while in the forested foothills of the Himalayas in Nepal, you’ll encounter one of Asia’s most elusive mammals—the red panda. This episode unveils the secrets of life at the highest points on Earth and showcases how diverse species have adapted to the extreme conditions of the mountains.