Scientists send a house into flight with balloons.
Get an close look at the jaguar, one of the most mysterious and magnificent of all the big cats.
See some incredible action shots from the extreme sport of jousting.
The undercover cops hunt down the owner of a fighting dog with a winning rep and huge price tag, and a suspected rooster fighter.
Undercover cops raid an illegal vet's premises and investigates a lead on a suspected rooster fight.
Titanic historian Tim Maltin conducts a series of experiments to solve the mystery of how this tragedy happened.
Take a look at these images of new boats, cast members and also of a little new mascot for Hot Tuna.
As the dust settles on this dark chapter in Norway’s history, explore the uncomfortable truths behind Breivik’s massacre...
Cult followers live in deception, fear and under mind control.
One camera crew tries to get as close as they can to the great white.
Re-enactments bring historic innovation to life.
These snake hunters are on the trail of Vietnam’s king cobra.
Alex heads into the Arizona desert in search of inspiration and new sales lead.
Go behind the front lines of the bloodiest WWII conflicts.
Are we approaching the end of human existence? Scientists look at the possible threats.
Host Diego Buñuel ventures deep underwater to graveyards of Maya human sacrifices and through dangerous underground tunnels...
Join big cat tracker Boone Smith as he finds the mysterious snow leopard.
At JFK International Airport in NYC, officers encounter extreme smuggling cases.