Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
Times shown in UTC. Change timezone.
A look at some of the feats of extreme engineering, including an ancient town built in the Peruvian Andes, a thriving urban center in Iran's scorching desert, and a city engineered to flourish in the frozen climate of Siberia.
An aerial view of bizarre, ``ball-like`` habitats in the Netherlands, a Colombian fortress engineered to last, and a strange train built to conquer the towering Swiss Alps.
Rural Brazil sees the devastating destruction of a dam; a bridge collapses in Genoa, Italy; a once mighty ancient castle is reduced to ruins in Gaziantep, Turkey.
Presenting an aerial tour of an engineering and mimicry marvel in London, Singapore's Supertree Grove and strange bubble-like domes in southern England.
Revealed from above; a big bridge spanning a gigantic gorge in France; a record-breaking outdoor elevator in China; and the world's longest tunnel carving its way deep beneath the Alps.
Revealed from above; a big bridge spanning a gigantic gorge in France; a record-breaking outdoor elevator in China; and the world's longest tunnel carving its way deep beneath the Alps.
Revealed from above; The Pantheon, one of ancient Rome's enduring and enigmatic feats of engineering.
An aerial view of an ancient temple engineered to survive the ravages of time, a cathedral rising from the heart of Barcelona, and a remote, cliffside shrine that seemingly defies the laws of gravity.
Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
No episode description is available yet.
No episode description is available yet.
Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
An aerial view of an ancient temple engineered to survive the ravages of time, a cathedral rising from the heart of Barcelona, and a remote, cliffside shrine that seemingly defies the laws of gravity.
Revealed from above; The Pantheon, one of ancient Rome's enduring and enigmatic feats of engineering; in Panama, a continent-crossing canal that almost never was; and in a remote valley in Spain a supersized cross built to memorialize the dead of a brutal civil war.
Revealed from above; a big bridge spanning a gigantic gorge in France; a record-breaking outdoor elevator in China; and the world's longest tunnel carving its way deep beneath the Alps.
Rural Brazil sees the devastating destruction of a dam; a bridge collapses in Genoa, Italy; a once mighty ancient castle is reduced to ruins in Gaziantep, Turkey.
Presenting an aerial tour of an engineering and mimicry marvel in London, Singapore's Supertree Grove and strange bubble-like domes in southern England.
An aerial view of bizarre, "ball-like" habitats in the Netherlands, a Colombian fortress engineered to last, and a strange train built to conquer the towering Swiss Alps.
A look at some of the feats of extreme engineering, including an ancient town built in the Peruvian Andes, a thriving urban center in Iran's scorching desert, and a city engineered to flourish in the frozen climate of Siberia.
