Enter the remains of Petra and Hegra, cities whose old inscriptions and new discoveries suggest were once ruled by wo...

Were the Knights Templar faithful servants of Christ or hedonistic heretics? We travel to Jerusalem to find out.

Were ancient Greek oracles really soothsayers or were they predicting under the influence of tectonic phenomena?

See the Pyramids, the Valley of the Kings, and more as we visit Egypt's sacred sites and reveal their hidden secrets.

See if external forces doomed the people of Chaco Canyon or if they were the authors of their own misfortune.