Quick, name the oldest business in the world! Hint: it dates back 1,000 years. Also, it's in Japan. Nothing?
Fine -- the answer is Nishiyama Onsen Keiunkan, a Japanese hotel that began welcoming samurais to its hot springs in 705. Crazy, right? Yea, prostitution might be the oldest profession in the world, but somebody had to rent out the beds, right? The hotel biz, as Chris Berman would say, goes "back, back, back, back, back!"
And while almost all of the world's longest-running hotels (as in, were never a pub, a post office, a private residence; never burned down; never moved; never shuttered) are in Japan, there are still plenty of equally historic spots that've never closed scattered about the globe. And these are 17 of them*.