Find out about the race to build Paris' most famous landmark when two men vied to be the first to build a monument 1,000 feet tall. See how one man's vision transformed the Paris skyline, making the Eiffel Tower a global icon.
Archaeologists study a skeleton found with an iron nail through its heel bone, suggesting the person was the victim of crucifixion in Roman-era Britain. Only one other skeleton with evidence of crucifixion has ever been found in the world.
Find out if one of history's greatest cold cases-the imprisonment of two princes in the Tower of London-can finally be solved. Their disappearance led to centuries of mystery and speculation.