Science & Environment
Our buildings kill birds. What can Coloradans do about it?
Every year a billion birds die in the U.S. from building collisions. The problem is most severe during spring and fall migration.
This six-part series follows some of the world’s most extraordinary railway journeys from above and on the ground, taking the audience on an adventure of a lifetime. We fly above spectacular scenery and explore exceptional engineering; meeting the people who maintain and run these incredible railroads as well as those who live alongside them.
Norway's Bergen Railway
Season 1 Episode 6 | 43m 58s | CC
The Bergen line is a triumph of engineering in the face of extraordinary natural obstacles: fjords, freezing conditions and rogue wildlife.