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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.

Autumn colors on the shores of Green River, Wyoming, USA

Real scale titanosaur scuplture at dry arid landscape, located at trelew city, chubut province, argentina

Near the opening of Santa Elena canyon dividing Mexico and the USA. Located in Big Bend national park.

Green meadows with rocks, some trees, steep rocky cliffs background, river flowing in foreground, typical Madagascar landscape in region near Zazafotsy

Overlook of Pedernales Falls with limestone formations in Pedernales Falls State Park in Texas. Two hikers stand by the upper pool.

Full frame of colorful sandstone hill in Wahiba desert in Oman.

Back view of mature women with small black backpack, while hiking over river along Wadi Al Nakhr canyon on sunny day. Big rock, sky and green palm trees are in background. Oman.

Beautiful terrain and dinosaur footprints in the Torotoro Valley and Umajalanta limestone cave

Camilunga, Tômbua (Porto Alexandre), Namibe Province, Angola: flamingos in the lagoon the eroded sandstone cliffs at Arches Lagoon, Curoca estuary. A true oasis, surrounded by rocks with water coming from the Curoca River and also fed by rainwater.

A herd of Diplodocus dinosaurs bring their youngsters to a small stream for a drink in the Jurassic Period of North America.

Aerial view of Midland Provincial Park from Royal Tyrrell Museum parking, Alberta.

Scenic view of a rocky riverbed with lush greenery and a clear blue sky at Pedernales Falls State Park, Texas.

Walking next to the tracks, a woman hiker explores over 100 new apatosaurus, allosaurus and duck billed dinosaur tracks made during the late Jurassic Period about 150 million years ago that were uncovered in 2021 in southeastern Colorado along the Purgatoire River, part of the Picket Wire Canyonlands in the Comanche National Grasslands. The site is the largest dinosaur tracksite in North America.

Sunny day in a semi-desert scene with large trees and nopales.

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

Moab, Utah - May 10, 2021: Sign at entrance to Arches National Park in Moab, Utah.

202204 Seminole Canyon State Historical Park TX

Idyllic shot of rocky dirt road and lush green plants growing in woodland during sunny day at Soriano Nel Cimino

Sepulcher Beaver Ponds Trail at Mammoth Hot Springs in Yellowstone National Park, Wyoming

Two Microraptor birds fly in to join another sitting on an old skeleton as Zuniceratops dinosaurs come down to the river for a drink.

Drone point of view of the Valley of the Enigmas

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