Expedition journal · 252 to 66 million years ago

Every dinosaur,brought back to life.

Pictures, facts and fossil maps for every dinosaur, from Aardonyx to Zuul.

An adult Tyrannosaurus rex walking across a misty river floodplain at dawnDV-0076Hell Creek
Tyrannosaurus rexLate Cretaceous · Hell Creek Formation

The Mesozoic Era

Travel through time

Dinosaurs lived for more than 160 million years, across three periods of a changing planet.

  1. Triassic252 to 201 million years agoThe first dinosaurs appear on a hot supercontinent, Pangaea, where all the land is joined.
  2. Jurassic201 to 145 million years agoPangaea splits apart. Giant long-necked sauropods and plated stegosaurs spread across the land.
  3. Cretaceous145 to 66 million years agoFlowering plants spread and T. rex and Triceratops appear, until an asteroid ends the age of dinosaurs.

Explore the evidence

Dinosaurs near you

Dinosaur fossils have been found in 55 countries and on every continent. Pick a place to see what lived there.

A changing planet

Ancient Earth

The continents were on the move. See how the Earth looked when each dinosaur was alive.

Map of the Earth 150 million years ago.

150 million years ago · Late Jurassic

Play and learn

Games and coloring

Free dinosaur games and printable coloring pages, drawn to match the real animals.