Untold Earth - Season 2

Pando, Latin for 'I spread,' appears to be a forest but is actually one massive tree. Weighing 13 million pounds, Pando is the world's largest living organism. It has thrived in Utah's Fishlake National Forest, spreading across 106 acres with 47,000 stems. Find out how human intervention has both threatened its survival and sparked a passionate mission to protect it.

The Atchafalaya River Basin is the United States' largest river swamp and Louisiana's first line of defense against the extreme weather that threatens the Gulf Coast. How does this swamp and its Cypress trees protect us from extreme weather? And how can we protect them?

Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, and resilience during one of Earth's most extreme periods of environmental change. What secrets do these fossilized ecosystems reveal about the prehistoric past, and how can they help predict the future of life on Earth?

The awe-inspiring visuals of the aurora borealis have fascinated humanity for centuries, but its most enduring mystery lies not in what we see but what some have claimed to hear for generations. Although such accounts have long been dismissed by modern science, could it be that these stories were right all along?

In Florida's wetlands, the carnivorous pitcher plant is blurring the lines between predator and ally. Home to entire unique ecosystems, there are more to these ancient organisms than many realize. So why do these beautiful and vicious plants have mercy on some and not others?