This iconic location on the Appalachian Trail is the very first monument in the country to George Washington. It also made a cameo in the Civil War, and now it makes a great place for birdwatching. Learn more about Maryland's Washington Monument in today's episode! The Green Tunnel is a podcast of R2 Studios at George Mason University. It's hosted by Mills Kelly and produced by Abby Mullen. Show notes, including a full transcript, at greentunnel.rrchnm.org.