In the 1950s, the United States designed and built two competing offensive nuclear missile systems, Atlas and Titan. Here’s what these Cold War relics look like today, inside and out.

In the 1950s, the United States designed and built two competing offensive nuclear missile systems, Atlas and Titan. Here’s what these Cold War relics look like today, inside and out.
Cramer Tunnel connected LTV Steel’s taconite mine and concentrator with its ore dock at Taconite Harbor. It served from 1957 to 2001, when LTV declared bankruptcy for the last time.
The underground history of some of Duluth’s most notable sewers, drains, and substreet creeks.
In mid-1880s, a few men began tunneling under downtown Duluth looking for a fortune. Now there’s no trace of their labor under the Point of Rocks, is there?
It started as a rumor, then I heard it over and over–there was an abandoned train tunnel outside Duluth.
On December 16th, 2011, the last Ford Ranger standard truck left the assembly line and paint shop and not long afterward the doors were chained and locked. Then it was my turn.
In 1910, after three years of digging and blasting, workers finished their giant tunnel from West End right into downtown Duluth. It’s still there, hiding.
125 years after the fire that destroyed it, this early steamboat stop has its underground brought to light.
After 150 years of digging, brewing and burning, Schmidt Brewery still rules the West Side. Here is a story of new beginnings, starring a cave and a castle. It starts in Saint Paul, Minnesota, 1855…
The Selby Tunnel extended 1,500 feet under a chunk of downtown Saint Paul and some thought it was lost. It isn’t. Here’s what it looks like today.
Left hand, grip the left rail. Right hand, grip that other one. Feet, for God’s sake remember how to crabwalk; we have a cliff to descend. Come with me into the tunnels under a Coloradan ghost town to see what was once the world’s largest zinc mine.