The Royal Diner, where Brennen and Booth (and occasionally the other characters) go to relax after work really exists in Washington - but the one in New Jersey (on Route 31 North), not the District of Columbia. — IMDb Trivia: BONES(ボーンズ)-骨は語る- (2005 TV series)
These set locations 表示する up on other shows from time to time. Royal ダイナー, 食堂 is a set and has shown up on other 狐, フォックス shows a couple of times that I've noticed.