Three Gorges Dam
The largest power station on Earth
Engineering Marvels
Structures and systems that push the limits of what humans can build, from particle accelerators to continent-linking tunnels.
CERN Complex
The world's largest particle physics laboratory
Panama Canal (New Locks)
The shortcut that changed world trade forever
Golden Gate Bridge
The most photographed bridge in the world
James Webb Space Telescope Primary Mirror
A golden honeycomb peering into the origins of the universe
Voyager Golden Record
Humanity's mixtape for the cosmos
ITER Tokamak
The machine designed to bottle a star
Boring Company Tunnel (Las Vegas Loop)
Elon Musk's answer to traffic: just go underground
Space Shuttle Main Engine (RS-25)
The most efficient liquid-fuel rocket engine ever flown
Channel Tunnel Boring Machine
The 1,100-tonne mole that chewed through chalk under the sea
Itaipu Dam
The dam that generates more electricity than any other on Earth