People tend to check in during these times:
$10 off a private tennis lesson after your first 5 check-ins. This offer is only available to foursquare users.
You'll unlock this special with every 5th check-in here.
The caboose is open sat 11am-5 and sunday 1pm-5 Memorial Day thru Labor Day.
Play recreational or competitive flag football on Saturdays and Sundays with DC Social. Register as a team or as free agent by visiting DCSocialSports.com.
Neat, kid-friendly exhibits on the history of the Washington & Old Dominion Railroad (and other lines through Arlington) inside the caboose. Open Saturdays and Sundays in the summer.
Great place to play tennis.
Well-maintained, real bathrooms and lots of shade. Crowded on nice weekends but perfect during the week.
Oops, didn't mean to check in! Tough to be there when I'm 600 miles away!