Lionfish–long prized in home aquariums–have invaded the Atlantic, and are now one of the ocean’s most successful invasive species, wreaking havoc in waters across the globe. Join ocean explorer Danni Washington on a journey to find out how they took over, why they’re doing so much damage, and what can be done about it.

Hallucinogenic drugs—popularly called psychedelics—have been used by human societies for thousands of years. Today, scientists are taking a second look at many of these mind-altering substances – both natural and synthetic – and discovering that they can have profoundly positive clinical impacts, helping patients struggling with a range of afflictions from addiction to depression and PTSD.

Witness the great wildebeest migration in East Africa, the most impressive mass movement of land animals on Earth. Travel with two Maasai guides who expose today’s conflict between people and wildlife and share new ideas for co-existence.

Remote and wild, the Yukon is a river of extremes; in summer a restless giant, in winter it becomes a river of ice. Home to bears, moose and salmon, its riches have sustained people for centuries. The Yukon; North America’s legendary frozen River.

Travel down three of Earth's great rivers: the Zambezi, the Danube and the Yukon. Discover epic scenery, meet the extraordinary people and animals that thrive along their banks and in their waters as they journey from source to sea.

Palawan is a tropical island paradise and one of Asia's tourist hotspots. But for a tiny network of environmental crusaders struggling to protect its spectacular forests and seas, it is a battlefield. Delikado follows three land defenders as they brave violence, death threats and murder while trying to stop politicians and businessmen from destroying the Philippines’ last ecological frontier.

Explore the story of the Marsh pride of lions as it battles for survival in Kenya’s Maasai Mara Reserve. In a world where lions and humans are increasingly at odds, the film charts the rise and fall of the pride. Featuring archival footage and testimony from those who have filmed the pride and lived alongside it, "Lion" is a powerful tale of shifting loyalties, complex family dynamics and more.

Follow the story of a leopard mother as she raises her cubs near the Luangwa River, facing a constant battle to hunt successfully, defend her territory and protect her cubs against enemies

Go undercover with a film crew on a perilous journey to the untouched wilderness of biodiversity in the Amazon rainforest. Meet some of the most incredible creatures, from pygmy marmosets to pumas, as the wild secrets of the jungle are revealed.

In the crystal-clear waters of the Caribbean, Cuba is an island teeming with exotic biodiversity: from coral reefs pulsating with life to five-foot-long Cuban rock iguanas. As international relations ease, what will become of this wildlife sanctuary?