Mysteries from Above

Spot a giant glacier on the red planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn, and take a spin around a doughnut-shaped lake in Saskatchewan.

Revealed from above; a lost city in the jungles of the Amazon; a fortress built by humankind's most infamous empire; an abandoned city of castles; and a deserted Greek island.

Revealed from above; a perplexing pyramid in the Netherlands; an enormous sphere in rural Russia; a lion-shaped marking on a British hillside; and an unexplained clearcut in Austria.

Revealed from above; a puzzling circle of stone in Israel; a mysterious mountain of decapitated statues; ancient Peruvian towers with a peculiar purpose; and a "Lonely Castle" in a vast, Saudi Arabian desert.

Revealed from above; a floating, spinning island in Argentina; a giant triangle in the Arizona desert; mysterious multi-coloured pools in Northern Ethiopia; and the giant figure of a man hidden in the Australian outback.

Revealed from above; a sunken city off the coast of Italy; a puzzling underwater cemetery in the Gulf of Mexico; an aquatic road to nowhere; and a collection of rocky constructions in the waters of Australia.

Revealed from above; psychedelic swirls in the wastelands of Utah; a shocking configuration of circles in the Saharan desert; hidden lines uncovered by cutting edge drone technology; and a strange polka-dot lake in the wilds of Canada.

Revealed from above; one of the world's greatest metropolises is sinking; a strange and sprawling ruin in the Saharan desert; an ancient mountain top fortress with a modern mystery; and a present-day ghost town perched on the edge of the Gobi Desert.

Revealed from above; a collection of mysterious rock dwellings in the Andes; an ancient monolith in the Black Hills of Wyoming; an abandoned village of stone in Turkey; and a cascade of "petrified" water in a Mexican mountain landscape.

Revealed from above; a cyclonic, whirling herd of northern nomads and undersea behemoths with bizarre and baffling behavior.