In this touching YouTube feature, a hobbyist from York shares how his intricate toy train layout became more than a pastime—it turned into a journey of healing, nostalgia and hope.

Discover how 92-year-old machinist and hobbyist Dean Walker crafted a hand-built model train village in Bethel, Maine—and why he’s now looking to pass the controls to someone who shares the same passion.

Located in Hamburg, Germany, the Largest model train set has a huge total length of 15,400 m (50,525 ft). To put that into perspective, the length of the train set is enough to get you to the top of Mount Everest - and 6,000 m back down the other side!