Stromatolites at Shark's Bay in Australia: These "living fossils" are estimated to be 2000-3000 years old.Courtesy Mark, Vicki, Ellaura and MasonIt's no surprise, people love taking trips to museums (like ours) to gaze upon the remains of dinosaurs (like ours), even though the non-avian branch of the ruling reptiles is long gone. Not so for artist Rachel Sussman. She likes to travel the world to seek out some of the oldest organisms still populating the Earth. We're not talking Larry King or Abe Vigoda. These things are a bit older and include sea grasses, underground trees, predatory fungus, and other organisms that have been around for more than 2000 years. In her research, Sussman collaborated with biologists and also published a book of photographs she's taken of the various ancient life titled, . You you can see a gallery of some of the photos here. Be sure to scroll to the bottom of the gallery page to see and hear Sussman's TedTalk on the subject.