The T-Rex's Journey to D.C

A marauding polar bear is about to be returned to the the wild, as far away as possible from the town of Churchill. To do that, the conservation team will need to tranquilize him, and then airlift him by helicopter.

A Polar Bear Released Back Into the Wild by Helicopter (2:12)

Conservationists have tracked down a polar bear who has taken to venturing into nearby Churchill. The next step is to airlift him by helicopter to a holding facility, and then back into the wild.

How Churchill Protects Itself From Polar Bears (2:28)

The San Gabriel Mountains lure lots of Angelenos looking for some quiet seclusion. One of the more famous was Leonard Cohen who spent five years there, searching for peace of mind.

This Footage of Jaguars in Panama Could Save Their Lives (3:39)

Vying with the Russians for space supremacy, the U.S. successfully launches Apollo 8. Once in orbit, astronaut William Anders takes one of the most legendary photographs of all time.

This Apollo 8 Astronaut Took the Famous "Earthrise" Photo (2:43)

Famed fisherman and adventurer Andy Coetzee thinks he may have snared a giant barracuda. He hasn't, but he's caught another interesting and prized fish--the West African Tarpon.

An Intense Struggle to Catch a Giant West African Tarpon (3:10)

Tiger cub Kumal is entirely dependent on his mother to hunt prey. He also relies on his father for protection against intruders. Someday he will need to provide for himself, but for now, the support of his parents will do.

Mother Tiger Makes Speedy Kill to Feed Cubs (2:02)

Rising sea levels are threatening to flood Miami. In fact, some scientists estimate that the entire city could be underwater by the end of the 21st century.

The Biggest Threat Facing the City of Miami (2:19)

Hippos were once believed to be related to whales. They're both mammals, they both sleep underwater, and they both rise to breathe in their sleep, without waking.

Why People Believed Hippos Were Related to Whales (1:31)

The maze of lagoons in Loango National Park, in Gabon, isn't just a good place to hunt barracudas--it's also an ancient migratory route that leads to their ancestral breeding waters.

Why These Lagoons Are Full of Giant Barracuda (2:44)