1781 Florida Ave, NW
Counter Culture’s website says:
“We love to welcome coffee lovers to our state-of-the-art regional training centers. At our free weekly Tastings at Ten, we brew and taste coffee together and share stories about where the coffees come from. ProDev events provide coffee professionals with peer-driven knowledge to keep ahead of industry issues and trends, and our hands-on Home Brew classes offer the skills and knowledge you need to brew great coffee at home.”
More info on the D.C. location here.