Evil can appear in anyone, even in mothers. Witness accounts of sadistic moms told by the children who endured years of emotional and physical abuse.

Feel the stone beneath your feet and the shelter of the iron and wood doors in this majestic history of Ireland's imposing and impressive castles.

Enjoy a look at operating the Hubble, along with understanding the groundbreaking discoveries that forever changed the way we view space.

Take a view of the world's biggest art exhibitions and delight at the stories and works of history's greatest artists.

Boeing's 747, born from financial strain and as a backup to the Super-Sonic Transport, became an engineering icon that revolutionized air travel.

She was a star whose rise was perfectly staged by the men who controlled her. But now we can understand how Norma Jeane Baker became Marilyn Monroe.

See why some scientists think Atlantis was buried under sand instead of water.

We follow a young cheetah mother and her cubs as she tries to transform them from adorable kittens into bold, powerful hunters.

Evil can appear in anyone, even in mothers. Witness accounts of sadistic moms told by the children who endured years of emotional and physical abuse.