TARDIS seen at MIT

The TARDIS has materialised on top of Little Dome at the Massachusetts Institute of Technology.

The appearance of the Time machine on the roof of the University located in Cambridge, Massachusetts is a "hack" or a practical joke. The University has a long history of "hacks" including placing a Dark Mark over the Student Center to celebrate the release of Harry Potter and the Deathly Hallows and placing a Fire Department truck on the roof of the Great Dome.