In this episode, we explore how iron railroads redrew national borders. The very first transcontinental railroad in the world... It wasn't a massive 3 ,000 -mile epic across the American West. Right. Which is what everyone assumes. Exactly. And it wasn't built through the sprawling Canadian Rockies or, you know, the frozen Siberian tundra. It was actually just 48 miles long. Just 48 miles. Yeah. But those 48 miles cost $8 million, took five agonizing years to carve out of a deadly tropical jungle, and claimed the lives of thousands of workers. It's a phenomenal reality check, honestly. I mean, if you are fascinated by how the modern world actually got built, you really have to look past the sanitized history. Oh, for sure. We see lines on a map or we sit on a commuter train today, and we just think of railways as like mundane background noise. Yeah, ...