Free Images - SnappyGoat.com- bestof:Pegada 3.JPG 2003-05-24 own assumed Juntas Dinosaur footprints

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During the late Jurassic Period about 150 million years ago, dinosaurs congregated along the shores of a vast freshwater lake in what is now southeastern Colorado. They left behind large trackways in the mud which shows up today eroded by river waters as over 1300 dinosaur footprints in limestone along the Purgatoire River. Most of these tracks are by made by herding Apatosaurus or sauropod dinosaurs. Part of the Picket Wire Canyonlands, the tracksite is the largest dinosaur tracksite in North America.

Stunning rock formations in Capital Reef National Park, Utah, USA. Lots of unique shapes made out of red, orange and grey stones.

$Sima de San Pedro is located in Spain, within the autonomous community of Aragon, a region characterized by aridity and extreme temperatures. It is a chasm of karst origin, with a mouth of about 100 meters in diameter and a depth of 108, It is considered unique in Europe thanks to its complex and rich geological structure. Right at the bottom of the pit lies a lake that is 22 meters deep and contains 560,000 cubic meters of water.\n\nThis natural beauty is known as one of the most unique and important ecosystems in the region. Its interior is formed by an exceptional example of a microclimate that hosts over 25 species of vertebrates, including amphibians, reptiles, birds and mammals, as well as important colonies of bats. The Sima de San Pedro, or the Voragine di Saint Peter, is located near Oliete, a small townThe photo is taken from the edge of a deep sinkhole in the karst scenery of the Aragon area of Spain. The view looks directly to the edge and cliff face of the chasm but also shows some of the land above it. The sky is blue.\n\nThe sinkhole is called Sima de San Pedro is located in Aragon, Spain. It is a chasm of karst origin, with a mouth of about 100 meters in diameter and a depth of 108, It is considered unique in Europe thanks to its complex and rich geological structure. Right at the bottom of the pit lies a lake that is 22 meters deep and contains 560,000 cubic meters of water.\n\nIt is a unique and important ecosystems in the region. Its interior contains a microclimate that hosts over 25 species of vertebrates, including amphibians, reptiles, birds and mammals, as well as important colonies of bats. The Sima de San Pedro, or the Voragine di Saint Peter, is located near Oliete, a small town$