#infrastructure

On the Pan-American Highway and the Darién Gap — a road that's been almost finished for a century, and what that almost reveals.

Pneumatic mail tubes ran under American cities for sixty years, solved a real problem, and then disappeared — leaving almost no trace except the problem they solved.

What happens to a city's infrastructure when the population that built it disappears — and why the bones stay long after the body is gone.

A 1989 video of the Berlin Wall reveals how a structure can be physically present and functionally finished at the same time.

On the things that work so well we forget they exist — and what happens when they stop.

In 1910, a self-balancing monorail ran on a single rail and stayed upright using gyroscopes. It worked. Nobody knows why it disappeared.

How desire paths — the unofficial shortcuts worn into grass by people who ignored the official route — are a blueprint of something true.