Optimize Your Viewing Experience
This site is best viewed using the latest versions of Internet Explorer, Chrome, or Firefox at a screen resolution of 1024 x 768 or higher.
Download the latest version of Internet Explorer.
Download the latest version of Chrome.
Download the latest version of Firefox.
Sun. Sept 21, 8PMETPT
The moon landing nearly didn't happen due to low fuel and incorrect mapping of the moon
We're on-air in HD, SD and On Demand. Use our Channel Finder to check availability in your area.
Using cutting-edge digital mapping technology, scientists have uncovered 17 previously unknown ritual monuments near Stonehenge. And we have the inside story on their startling findings.
It's one of the most venomous snakes in the world, and its bite has enough neurotoxic venom to kill 15 grown men. Want to know more? Watch the free full episode here.
His private jet features gold seat belts, a gourmet kitchen, and a master bedroom. Would you expect any less?