that show extreme engineering is a weird but fascinating show,
there is also a city in a pyramid idea for the city of Tokyo
http://dsc.discovery.com/convergence...teractive.html
or the idea of a transatlantic tunnel linking north america to europe via high speed rail tunnels anchored 200 ft under water for the span of the north atlantic
http://dsc.discovery.com/convergence...teractive.html
the coolest ones are the one that are more feasible like a road bridge crossing the straight of gibraltar, linking europe and africa
or tunneling under the Alps to relieve traffic congestion in Switzerland
http://dsc.discovery.com/convergence...teractive.html
the Oosterscheldedam in Holland is a very unique mobile dam already in existence that stays open to allow for the mass shipping lanes to operate, and can close to prevent flooding, since the Netherlands are mostly under sea-level, a flood would be extremely devastating
http://dsc.discovery.com/convergence...teractive.html