Bananas for Scale

Engineering Marvels

Structures and systems that push the limits of what humans can build, from particle accelerators to continent-linking tunnels.

Three Gorges Dam

The largest power station on Earth

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