The MCI Center is the home of both the Washington Wizards Basketball team, and also the place to go to see the city's NHL team the Capitals.
If gridiron football is your thing, then The Redskins are one of the top NFL teams in the country, and play regularly at FedEx Field, although their popularity means that most games are sold out well in advance.
The DC united MLS team play to a less than packed house at the RFK Stadium, and visiting them is a great way to experience American Sporting glitz without worrying about having a bad seat.
Many people turn up early for tailgate parties in the car park prior to the game, so take some food and drink with you in the car, and join in with the locals.