Craig Beals, Montana's 2015 Teacher of the Year, is on a lifelong mission to explore and reveal the planet's most surprising secrets. He wants to know, "Is Yellowstone going to blow?"
Following in the footsteps of a wandering Florida black bear, three friends leave civilization and become immersed in a vast and unexplored wildlife corridor stretching from the Everglades to the Florida-Alabama border.
Explore the endurance of the human body and spirit through ultra marathon runner Nikki Kimball’s quest to become the fastest person in history to run Vermont’s 273-mile Long Trail.
To discover what could happen if vampires migrate to a warming America, Casey must hack through Mexico's jungles to a cave his buddy Scotty has dubbed "the torture chamber".
Comets have fascinated, even terrified us for thousands of years. This year, a particularly massive chunk of ice and rock is coming our way.
