In 1922, Roy Chapman Andrews discovered the world's first confirmed dinosaur eggs at Bayanzag. The Flaming Cliffs still glow at sunset, and fossil fragments still surface after rain.
The Rara Avis Team
Across the flat Gobi floor, the landscape gives no warning. Ochre, featureless, stretching toward horizons that seem to bend away from you. Then the cliffs appear, suddenly, like memory made geology. The Flaming Cliffs of Bayanzag rise from the desert floor in escarpments of red sandstone, weathered and gullied, the colour deepening toward orange as you approach. This is one of the world's most significant paleontological sites.
In 1922, Roy Chapman Andrews arrived here with the American Museum of Natural History's Central Asiatic Expeditions, searching for evidence of human origins. What his team discovered instead transformed paleontology. Amongst the eroded gullies of Bayanzag, Andrews found the world's first confirmed dinosaur eggs, still arranged in clutches. He found skeletons of Protoceratops preserved with extraordinary detail. He found Velociraptor, the predator whose fossil remains were scientifically documented for the first time.
The name Bayanzag translates prosaically as "rich in saxaul trees." Andrews renamed them the Flaming Cliffs for the play of light that transforms them at dusk. In the golden hour, the oxidised iron in the red sandstone seems to ignite, the pale beige rock becoming shades of deep orange, crimson, amber. Stand at the cliff edge as the sun descends and the transformation is vivid, real, almost overwhelming.
Walk the base of the cliffs today and you find small fossil fragments visible in the rock faces: pieces of bone, occasional teeth, fragments of eggshell. These are not museum-quality specimens, but their presence creates a singular experience. You stand where science's greatest paleontological breakthroughs occurred, surrounded by the same landscape that preserved those discoveries.
Most visitors reach Bayanzag as part of a larger Gobi expedition spanning a week or longer. Nearby attractions include Khongoryn Els, the singing dunes, and Yolyn Am, the Eagle Valley gorge. Rara Avis southern Gobi itineraries centre around Bayanzag and the surrounding sites, combining geological interest with nomadic life that persists in this harsh landscape.