Hallucinogenic substances have been instrumental in the foundation of many aspects of our cultural heritage. In this challenging program, McKenna suggests ways in which hallucinogenic plants have been associated with spiritual traditions in ancient India, in the Amazon and in medieval Europe.

Terence McKenna – coauthor with Dennis McKenna of The Invisible Landscape: Mind, Hallucinogens, and the I Ching – examines Carl Jung’s notion of synchronicity, or meaningful coincidence, as it applies to the Chinese I Ching. He proposes that the 64 hexagrams actually contain a specific mathematical structure which models both time itself and the human mind. [...]

Terence McKenna, co-author of The Invisible Landscape, says that human survival requires that we become aware of our responsibility for the future.  McKenna proposes four key elements of his vision of the future: feminism, space exploration, cybernetics and an increased awareness of our interrelationship with nature and the plant kingdom.