Does heaven exist? With well over 100,000 plus recorded and described spiritual experiences collected over 15 years, to base the answer on, science can now categorically say yes. Furthermore, you can see the evidence for free on the website allaboutheaven.org.

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This book, which covers Visions and hallucinations, explains what causes them and summarises how many hallucinations have been caused by each event or activity. It also provides specific help with questions people have asked us, such as ‘Is my medication giving me hallucinations?’.

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Observations placeholder

Lilly, John - Does the dive



Type of Spiritual Experience


He was in the float chamber but had also taken drugs

A description of the experience

John C Lilly – The Center of the Cyclone

As I went deep into trance this time, I suddenly was on another planet, not earth, in a deep cave, a very peculiar vertical cave with a spherical chamber at the bottom.

Somehow I did not know how to get out of this cave.  I looked up through the vertical shaft and saw a blue light at the far end of the tunnel.  I was threatened by the fact that at the edges of the shaft there were what I thought to be 'solid state life forms', small cubical and rectangular creatures who were doing some sort of work that I couldn't understand around the edges of the shaft.  They were very busy and covered the whole surface of the shaft.  I estimated that none of them was larger than three to four inches across in the largest dimension.

Somehow I felt that I was trapped in this spherical chamber and that I did not dare go up the shaft for fear of what these creatures might do to me.  We had arranged that I would be able to report what was happening from the depths of the trance and I reported what was going on to Helen and Ken.  Helen then immediately said.  'I will lift you up through the shaft without your touching the walls.  Stay with me.  Allow me to lift and you will come up'

Immediately, I started rising through the shaft, came out through the opening in the surface of the planet and saw the immense blue sky over my head and the very peculiar terrain of the planet

The source of the experience

Lilly, John

Concepts, symbols and science items


Spirit being



Science Items

Activities and commonsteps



Taking drugs


Sensory deprivation