Season 5

In Oklahoma, a sacred spiral mound rises on a former oilfield, honouring 39 tribes. London's crumbling Battersea Power Station is reborn with two million new bricks. And in Spain, Frank Gehry crowns a historic winery.

Milwaukee commissions Calatrava to design a museum with 90-ton wings that take flight. Oslo tears down its national ski jump and rebuilds it for the World Championships. And in LA, a 235-foot tower is wrapped in steel bands

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

In Chicago, twin concrete towers push the limits of high-rise design. Engineers conquer the sea to unite Sweden and Denmark. And in Sydney, Norman Foster and team take on the challenge of a new metro station that can't disrupt the busy streets above.

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

Zaha Hadid cuts the top off a mountain and builds a museum inside. A Vancouver tower rises clean over a 115-year-old church. And starchitect Santiago Calatrava spans 7 live railway tracks with a column-free glass and steel station.

Lord Foster's five-winged steel towers cool Abu Dhabi's national museum naturally. Robots 3D-print a steel bridge in Amsterdam & a concrete tower in Switzerland. And in Sydney, engineers pump out the harbour to build a fish market.

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