A blueprint atlas of everything worth understanding.

A wrought-iron lattice tower on the Champ de Mars, designed by Gustave Eiffel for the 1889 World Fair. Its pin-jointed truss structure and curved legs distribute wind load gracefully to four cast-iron shoes.

The oldest and largest of the three pyramids in the Giza complex, built as a tomb for Pharaoh Khufu. It was the tallest human-made structure for over 3,800 years and remains a marvel of ancient surveying.

The largest amphitheatre ever built, an elliptical concrete-and-travertine icon of Imperial Rome. Its three tiers of arcades applied the Doric, Ionic, and Corinthian orders in sequence.

The original jumbo jet, with a distinctive upper-deck hump and four high-bypass turbofan engines. It democratised long-haul air travel for nearly half a century.

The first affordable automobile, mass-produced on the moving assembly line pioneered by Henry Ford. It put the middle class on wheels and rewrote industrial manufacturing forever.

A coal-fired reciprocating steam engine that converts fuel into mechanical work through a firebox, boiler, cylinders, and driving wheels — the motive power that built the industrial age.