Trailer: Investigate secret underground markets in season five of Nat Geo's Emmy Award-winning series, "Trafficked with Mariana van Zeller," premiering July 19.

Here are the circumstances that created heavy rainfall across Central Texas over the July 4th holiday weekend leading to devastating and deadly flooding.

Thousands were left without power after storms from Tropical Depression Chantal's outer bands impacted areas across North Carolina.

At least 82 people were killed and dozens are presumed missing after deadly flooding brought on by a heavy rain system in Central Texas.

Chatham county was hit especially hard with an estimated 6-8" of rain.

The 85 outdoor warning sirens will be tested on Wednesday, July 9.

Texas parents are posting pleas for information as at least 23 campers from an all-girls summer camp remain missing after severe flash flooding.

The storm made landfall near Litchfield Beach, SC early Sunday morning.

A $30,000 mistake. When paying the IRS, a California taxpayer wrote the correct amount of $3,360 on the numerical value box on her check. But she accidentally miswrote on the "Pay to the order of" line. Here's what happened.

Sitting before a packed audience that included hundreds of red-robed monks and nuns who braved incessant rain to see him, he said: "When I look back on my life, I see that I have not wasted it at all."