Thirty-five thousand men worked the White Pass grade between 1898 and 1900, and the railway that resulted was finished twenty-six months after the first rail was laid — a schedule that still reads as improbable. The route climbs from tidewater at Skagway to 2,865 feet at the White Pass summit in roughly twenty miles of track, gaining nearly three thousand feet without a single switchback. The line exists because of the Klondike. In the winter of 1897–98, stampeders bound for Dawson City hauled a ton of provisions each over the Chilkoot and White Pass trails on foot, and thousands of pack animals died on the latter — the reason it is still called Dead Horse Gulch. Contractor Michael J. Heney persuaded British investors that a three-foot narrow-gauge railway could be blasted along the same granite. Crews used more than 450 tons of explosives. Tunnel Mountain was pierced, Glacier Gorge bridged, and by July 1900 the rails reached Whitehorse. The gold rush had already collapsed. What survives is a working artifact. The White Pass & Yukon Route is a designated International Historic Civil Engineering Landmark, sharing that distinction with the Panama Canal and the Eiffel Tower, and the modern skagway yukon train tour runs on the same alignment surveyed in 1898. Vintage parlour cars, some more than a century old, still carry passengers past Bridal Veil Falls, Inspiration Point and the cantilever bridge site at Mile 18.7. Diesel-electric locomotives have replaced steam on most services, though a restored 1947 baldwin appears on select runs. The corridor matters beyond nostalgia. Skagway remains the deepwater port for a landlocked interior, and the rails still tie the Alaska Panhandle to Yukon Territory across the Canadian border at Fraser, British Columbia. Rail excursions from Skagway follow that same commercial logic in reverse, carrying visitors rather than freight. The engineering rewards close attention. Grades reach 3.9 percent. Curvature tightens to sixteen degrees. The roadbed is carved into cliff faces where the drop to the Skagway River exceeds a thousand feet, and the original wooden trestles have been replaced by steel without altering the survey. Snow closes the upper line in winter; the operating season runs May through September, which is why a skagway yukon train tour is effectively a summer artifact of a rush that lasted barely three years. Departures leave from 231 Second Avenue, the 1898 depot that anchors Skagway's Historic District.