The lure of lost cities is a deep and enduring fascination that combines equal parts mystery, adventure, treasure, and the promise of forgotten knowledge. The existence and discovery of these ruins – whether it was King Tut's tomb or Machu Picchu – demonstrates the brilliance of ancient civilizations and their impermanence and mortality. In this episode, host Mark Plotkin recounts his experience as part of an expedition in search of the so-called "Lost City of the Monkey God," as well as the role that hallucinogens and shamanism played in helping us understand some of the artwork and cultures of these ancient peoples.

Episode Notes

The therapeutic benefits of ayahuasca are well-known and celebrated worldwide. However, when conducted by the wrong individuals, ayahuasca ceremonies can also lead to harmful outcomes. In this episode, host Mark Plotkin talks with author and explorer Robert Tindall about some of the potential risks and downsides of ayahuasca use.

Many people associate cacao (and chocolate) with its origins in Mexico, but few are aware that the plant itself is native to the rainforests of the northwest Amazon. Previous episodes of this season of "Plants of the Gods" traced the journey of cacao from the Amazon to Central America and then to Europe. In this episode, ethnobotanist Mark Plotkin continues to explore the captivating history of this remarkable treat, spanning from the American Revolution through the Industrial Revolution and into the 21st century.