Accidental Discoveries. Using the view from above, drone pilots and satellite imagery specialists are uncovering a vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the far reaches of the Chinese desert, centuries-old buried treasure in Britain and a fearsome predator roaming the Pacific Ocean has made cozy and all just by accident.

Military Mysteries: Discover an array of mysterious phenomena seen from above, including a Nazi weapon in Northern France and a Russian military tower near Chernobyl

In Plain Sight: Discover over a hundred massive concrete arrows scattered across America, a giant chalk figure with an oversized phallus on an English hillside and a mysterious hole in the middle of a lake in Southern California

Submerged: A Turkish drought reveals a long-lost ancient Basilica and its secrets, a church spire punches through the surface of a toxic sludge in Romania and the hull of a massive ship in the North Sea answers decades old questions

Ancient Civilisations: Nubian pyramids reveal the rise of female power in Ancient Kush and a shocking satellite image uncovers secrets of an ancient ancestral Puebloan site in New Mexico

Strange markings in the remote region of Northern Finland; drones find a Manhattan-size mystery in the depths of a Vietnamese cave; secrets are no longer hidden in the Antarctic; a lost sky-high world in Mozambique gets a visit from above.

From above, a constant inferno in Turkmenistan, mysterious circles in the Namibian desert, slithering stones across Death Valley, and the secret of Utah's electric blue ponds.

A remote island linked to one of the world's most famous aviation mysteries; thousands of shipwrecks in the Bermuda triangle; a history lost and found in the South Pacific.

Viewed from above, the world-famous Pyramids of Giza could be a kind of star map. It also shows how first responders gave hope to survivors of Hurricane Katrina from the sky. Also very impressive is an Indonesian volcano that burns in a bright blue. And this time, a bird's eye view also reveals certain forgotten joys of America's recent past.