Ammonite fossils embedded in the rocks at Kilve, Somerset, England, United Kingdom, Europe

Ammonite fossils revealed in slate rock ledges at low tide, Kilve, Somerset, England, United Kingdom, Europe

Dinosaur National Monument, Dinosaur, Utah, United States of America, North America

170 million year old footprints of large plant-eating Jurassic Sauropod dinosaurs, on the tidal rock platform below Duntulm Castle on the west coast of the Trotternish Peninsula, Duntulm, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Footprints of large plant-eating Jurassic Saurapod dinosaurs, an important middle Jurassic find on the north east coast in 2018, Brothers' Point (Rubha nam Brathairean), Trotternish Peninsula, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Whale bone on a beach, Baffin island, Nunavut, Canadian Arctic, Canada, North America

Fossil Colonial Coral, Carboniferous Limestone, The Burren, County Clare, Ireland,

A cliff cave below Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

A rock spire sculpted by the wind on Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Pieces of petrified wood on hills overlooking Dead Wash, Petrified Forest National Park, Arizona, United States of America

Pieces of petrified wood on hills overlooking Dead Wash, Petrified Forest National Park, Arizona, United States of America

Rock art on a rock formation in Tigui, Tibesti Mountains, Chad

An Ammonite fossil embedded in rocks on Monmouth Beach, near Lyme Regis, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Two Ammonite fossils and a Nautilus fossil in rocks on Monmouth Beach, Lyme Regis, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Natural History Museum, London, United Kingdom

Fish fossil is held in the palm of a hand. Some of the world's best preserved fossils are found in the Fossil Butte National Monument on flat-topped ridges of southwestern Wyoming's cold sagebrush desert. Discoveries from the ancient lake sediments the Eocene Green River Formation of Fossil Basin are world-renowned, Wyoming, United States of America