It was inhabited by very small and similar creatures. But over millions of years, the land began to break apart, and its creatures began to grow apart, becoming bigger and weirder than ever before. Bodies with tiny arms grew massive heads. Tiny heads adorned giant crests. Long necks steadied long tails. The time of the bizarre dinosaur had arrived. Explore a lost world of strange beasts that roamed the planet a hundred million years ago, revealing what their stories of life, death, combat and sex can tell us about evolution and life on our planet a hundred million years ago.