7 Federal Triangle Metro Station Tips
Take the metro or park at the garage in the Ronald Reagan Building, which was $10.
You really need to bring food. I didn't bring enough and regretted it.
During the summer definitely wear something cool... it was very hot outside!
The only problem is that, having taken the Metro, none of us bought much wine.
Bring a picnic lunch -- there wasn't much to buy for lunch at the wineries.