Photographer George Steinmetz is probably best known for his mind-bending image of camels crossing the desert dunes of Arabia's Empty Quarter "on their way to graze near Wadi Mitan" that was featured by National Geographic in February, 2005—an image so disconcerting (and implausible) that it's got its very own Snopes page. But his Instagram account suggests he could be known for a whole lot more.
On the other hand, this:
And my (current) favorite, this:
Here's more on that Empty Quarter trek: