National Museum of Natural History
10th Street and Constitution Avenue, NW
1st Floor, East Wing, near Dinosaurs Hall Floor Plan
An overview of the origin and early evolution of life is presented. Included is the oldest fossil, a cabbage-sized, 3.5-billion-year-old fossil algal mat, as well as the earliest animal fossils, to relate a large portion of the earth's history known as the Precambrian.