
Great Structures - Tunnel trees: The historic tourist drive-throughs carved from redwoods
Great Structures · 0:38
Tunnel trees: The historic tourist drive-throughs carved from redwoods (Wikipedia)
More videos
- Great Structures - Bird-window collisions: Glass architecture poses a growing ecological danger 0:39
- Great Structures - Early skyscrapers: The invention of the modern urban skyline 0:42
- Great Structures - Total internal reflection: How trapped light powers modern technology 0:40
- Great Structures - The lighthouse and naval vessel: An enduring nautical myth 0:41
- Great Structures - Screw-pile lighthouses: Anchoring maritime beacons in shifting sands 0:42
- Great Structures - Tunnels of Claudius: Rome's massive ancient drainage feat 0:39
- Great Structures - Ammun: The secret gates of Korean fortress walls 0:37
- Great Structures - Embanking the Thames: Turning a marshland into London's port 0:38
- Great Structures - Needle dams: Controlling river levels with wooden slats 0:37
- Great Structures - Navigable aqueducts: Bridges carrying boats across the sky 0:44
- Great Structures - The Tainter gate: A disputed engineering breakthrough 0:39
- Great Structures - Submerged floating tunnels: Crossing waters using Archimedes' principle 0:36
