* Yellowstone: Brink of Disaster (2014)

With more than 2 million acres of some of America's most rugged and beautiful terrain, Yellowstone National Park is not only a national treasure, it's also home to hundreds of species of animals. But beneath its breathtaking beauty are many unsolved mysteries, including a massive super volcano waiting to be unleashed. Watch as researchers at Yellowstone National Park use state of the art technology to understand the deadly triggers of an extinction level event and work to reveal the invisible forces at work in this iconic place. From the race to predict a massive volcanic eruption to exposing other deadly forces at work, and from hunting a microscopic predator to seeing nature’s engineering marvels like never before, this is Yellowstone as you’ve never seen it!

Swallowed by a Sinkhole (2014)

Professor Iain Stewart travels to Florida to try and understand what killed Jeff Bush in 2013 when a sinkhole opened up beneath his bedroom, and why the geology of this state makes it the sinkhole capital of the world.