The Deepwater Horizon oil rig drilled into the deepest oil reserves on the planet, but a sudden explosion on-board led to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed this catastrophe.

A pair of Apartment complexes in England resist demolition and baffle the experts; The Pontiac Silver dome in Michigan shows demolition experts who the boss is; In Glasgow, Scotland 6 high rise apartment blocks are scheduled for demolition; In Vordingborg, Denmark a silo that is set to be demolished goes its own way; In Brisbane, Australia a silo scheduled for destruction fails to go as planned.