From war-torn Syria to the 2016 Rio Olympics, two young sisters embark on a risky voyage, putting their hearts and their swimming skills to heroic use.

This series brings the rise and fall of the Roman Empire to life through the lens of one of the most exhilarating and brutal arenas in the history of humanity: the Colosseum. From the savage truth of a gladiator's life as a slave-warrior to the fascinating ways Rome's emperors used the vast amphitheater to demonstrate total power, "Colosseum" offers a unique and personal look inside history's most iconic empire. Spanning several hundred years, the series unfolds chronologically, from the arena's incredible opening day to its very last games.