Tom Cotter has spent decades ferreting out lost “barn find” collector cars. The process has made him an ardent road tripper, logging thousands of miles every year on America’s back roads. Previous journeys have traced Route 66 in his 1939 Ford Woody wagon and followed the Lincoln highway coast to coast behind the wheel of a 1926 Model T.

Cotter’s journeys led him to wonder: What could be the most epic American road trip? The answer: Key West, Florida, to Deadhorse, Alaska, its thousands of miles recounted in America’s Greatest Road Trip. Cotter and Ross drove across the country, through British Columbia and the Yukon, and finally through Alaska to the literal end of the road. Ross documented their road time in thousands of photographs.