Graham Hancock gives his perspective on psychedelics like DMT, ayahuasca, san pedro and marijuana and how they have been used since ancient times to connect with the divine/spirit. He also talks about ancient sites and civilizations, the paradoxes they bring to the forefront. There is an interesting question and answer session towards the end.
Gary Evans talks about the importance of Archaeoacoustics as an emerging field, how sound could have been used by ancient civilizations to elevate consciousness with meditation. He also talk about Egypt and sheds some light on the unanswered questions we have on Egypt.