Deserts are often an afterthought when it comes to climate change, but as global temperatures increase, they are among the most vulnerable places on the planet. Violent sandstorms and erosion are increasingly reshaping the arid regions of the earth and as they do, astounding discoveries are being exposed. From lost ancient cities to mysterious geological formations, Secrets in the Sand examines extraordinary curiosities that were once concealed in the deserts of the planet, only to finally be revealed.