Great Structures

Bridges, towers, dams, canals, tunnels, lighthouses and aqueducts: how they were built. Stories written with AI from the sources shown on screen.

On now: Great Structures · Engineering wonders

Up next: Great Structures · Engineering wonders

The channel's videos

• Great Structures - Suicide bridges: locations frequently chosen for fatal falls 0:37
• Great Structures - Orthotropic decks: Engineered steel panels reinforcing modern bridges 0:40
• Great Structures - Prang: Elaborately carved spires of Southeast Asian temples 0:40
• Great Structures - Turnarounds: Road junctions built specifically for U-turns 0:31
• Great Structures - Canals: Engineered waterways shaping transport and landscape 0:44
• Great Structures - Secret passages: The enduring subterranean folklore of Europe 0:44
• Great Structures - Towers: Tall self-supporting structures built for functional elevation 0:42
• Great Structures - Sluices: controlled water channels that power mills and float timber 0:32
• Great Structures - Château de La Balme: medieval fortified house of Geneva 0:36
• Great Structures - Skyscraper construction: balancing engineering, economics, and extreme forces 0:35
• Great Structures - Balsa wood bridges: hands-on engineering in the classroom 0:34
• Great Structures - Rigid-frame bridges: monolithic spans built without separate joints 0:38
• Great Structures - Rettershof: From medieval nunnery to historic crown domain 0:39
• Great Structures - History of bridges: From fallen logs to stone arches 0:39
• Great Structures - Sextus Julius Frontinus: Roman general and water master 0:42
• Great Structures - Overpass protests: Highway activism reaching millions of motorists 0:41
• Great Structures - Bridge management systems: Tracking aging spans with digital data 0:43
• Great Structures - Floodgates: adjustable barriers managing waterways and preventing floods 0:37
• Great Structures - Rooftopping: scaling skyscrapers and cranes without safety equipment 0:37
• Great Structures - Castellum: Roman fortlets, aqueduct tanks, and castle origins 0:38
• Great Structures - Emporis Skyscraper Award: recognizing exceptional tall building architecture 0:37
• Great Structures - Tailrace fishing: catching gamefish in rushing dam currents 0:36
• Great Structures - Watchtowers: fortified elevated perches guarding military installations 0:41
• Great Structures - City skylines: distinctive horizon outlines that serve as visual fingerprints 0:34