Engineering From Above - Episode Guide

Revealed from above; an ancient defensive wall surrounding a historic Colombian city; eerie metal towers looming over the seas of the English Channel.

Revealed from above; an ancient temple engineered to survive the ravages of time; an iconic 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 most enduring and enigmatic feats of engineering; in Panama – a continent crossing canal that almost never was.

Revealed from above; a massive 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.

Presents an aerial tour of an engineering and mimicry marvel in London, Singapore's iconic Supertree Grove, and strange bubble-like domes in southern England.

Rural Brazil sees the devastating destruction of a dam; a bridge collapses catastrophically in Genoa, Italy; a once mighty ancient castle is reduced to ruins in Gaziantep, Turkey.

A look at some of the most impressive feats of extreme engineering, including an ancient town built in the Peruvian Andes, a thriving urban centre in Iran's scorching desert, and a city engineered to flourish in the frozen climes of Siberia.

Examines bizarre engineering achievements, including ball-like habitats in the Netherlands, an eccentric Colombian fortress built to last, and a strange train designed to conquer the towering Swiss Alps.