If you trust Four Square, then yes. BostonInno says that those two spots are the most popular restaurant check-ins for visitors, trailing just behind destinations like Fenway Park and the Sam Adams Brewery. In fact, Cheers shows up twice: Tourists apparently really like the Beacon Street location, most recently the site of a Kirstie Alley dance party, but not quite as much as the (less authentic) Quincy Market outpost. Oddly, Durgin Park did not appear on the list at all. Do stay tuned: BostonInno also plans to reveal the most unpopular Four Square attractions. Wonder which restaurants might make the list. Menton? Toro? [BostonInno]