On Monday’s episode of  Hamilton’s Pharmacopeia, VICE’s resident chemist and drug stalwart Hamilton Morris heads to the dense forests in the State of Oaxaca to look for  Salvia divinorum leaves .Then, under the guidance of a shaman, Hamilton participates in a traditional salvia ceremony and reaches a hallucinogenic-induced state of bliss.

Check out the clip below and watch the full episode on Monday at 9PM on VICELAND. You can also check out more photos from the trip in the November issue of VICE Magazine.