Sea Monsters | National Geographic

a chance discovery takes us on a journey deep in time

a prehistoric world where the middle of

a prehistoric world where the middle of North America lays submerged beneath the

North America lays submerged beneath the

North America lays submerged beneath the sea of strange creatures

now National Geographic entertainment

now National Geographic entertainment brings us an epic adventure 82 million

brings us an epic adventure 82 million

brings us an epic adventure 82 million years in the making

before they lived in our imagination

before they lived in our imagination they really live