The world's oldest river - an incredible 340m years old and 466 miles long
There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.
Rare 'High Risk' Flood Danger For Kentucky, Tennessee, As Threat For Tornadoes Looms In The South Saturday
A pair of threats are in play in parts of the South this weekend, especially Saturday. Here's what you need to know.