The problem? That's not the Capitol, as one self-described "state Capitol aficionado" pointed out.
ACC basketball ad in metro features a nice domed building that's not the Capitol pic.twitter.com/MWJK7waDJ1— Marc Tomik (@marctomik) February 20, 2016
A spokeswoman for the Architect of the Capitol confirmed that the building on the ad was not, in fact, the U.S. Capitol.
Tough break for the ACC, but at least it wasn't the refs this time.
Online speculation suggested that it might be the dome of St. Paul's Cathedral in London.