Strange Objects on Google Earth Revealed

Once you start browsing the earth's surface from the comfort of Google Earth, you're hooked. Hours can be lost discovering countries, rivers, lakes and islands, and thanks to its addictive nature there have been a lot of unusual sightings and objects that can't be easily explained.

From strange grids of zig-zagging lines in the Gobi Desert, to the discovery of strange circular objects, near-perfect heart shaped islands, giant targeting reticles in Death Valley, and giant equilateral triangles in Arizona, this video highlights ten of the most fascinating discoveries found on Google Earth.