The Ludlow colony in southern Colorado was once a bustling tent city and haven for miners and their families. But it was also the site of one of the country’s most monumental –and violent – clashes of the labor movement.READ MORE IN THE ATLAS: <a href="https://www.atlasobscura.com/places/ludlow-massacre-site">https://www.atlasobscura.com/places/ludlow-massacre-site</a>

From Seed to Significance

An audio guide to the world’s strange, incredible, and wondrous places. Co-founder Dylan Thuras and a neighborhood of Atlas Obscura reporters explore a new wonder every day, Monday through Thursday. In under 15 minutes, they’ll take you to an incredible place, and along the way, you’ll meet some fascinating people and hear their stories. Our theme and end credit music is composed by Sam Tyndall.