Watch two trees on HDtoday. In the early 1900s commercial loggers cut down an old growth spruce tree growing on a small island surrounded by tide pools on the coast of Maine. Out of the trunk of this ancient tree grew two new trees, side by side.
7.62001HD
This documentary follows various migratory bird species on their long journeys from their summer homes to the equator and back, covering thousands of...
02020HD
02012HD
The vast savannah of the Serengeti. A large part of the genus Panthera lives here. Better known as the "actual big cat". They are among the largest...
02025HD
We can't address the environmental crises of climate change and biodiversity loss if people don't care about nature, and it all starts with stepping...
7.11953HD
Although first glance reveals little more than stones and sand, the desert is alive. Witness moving rocks, spitting mud pots, gorgeous flowers and...
02026HD
02014HD
6.82017HD
William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of 'Star Trek' influenced multiple generations.
02013HD
5.82014HD
India - unique in its diversity and breathtakingly beautiful. The subcontinent is characterized by scenic, cultural and ethnic diversity. After...
7.72017HD
An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest...
02024HD