Eons (2017)

S02E26 The Mystery of the Eocene’s Lethal Lake

In the 1800s, miners in Messel, Germany, started to dig in the open mud deposits, extracting oil from the rock. During their work, they stumbled upon remarkably well-preserved fossils of Eocene-era animals. This discovery raises questions about what became of these ancient creatures and how their remains were preserved in such stunning detail.