Where in Australia have they found nine species of extinct kangaroos? Luke Joseph Ryan (@ljrizzle) ventures deep inside the megafauna burial ground that is the World Heritage-listed Naracoorte Caves. Here complete skeletons of marsupial lions, tiny rodents and enormous kangaroos long extinct, are uncovered and studied all year round. Watch more of this story, #OnlyinOZ Tuesdays 7.30pm AEDT/NZDT on National Geographic http://bit.ly/2PoDTVn #australia #megafauna #megabeasts #marsupials #kangaroo #

349K views · 4.7K reactions | Across 50 ancient Clovis sites in North America, archaeologists found a strange carbon-rich “black mat.” What’s fascinating? Extinct megafauna bones and Clovis tools lie beneath this layer. Above it—nothing. The line marks a boundary… almost like history itself was reset. Coincidence? Or a clue to a forgotten catastrophe? | The Randall Carlson | Facebook