What do Plymouth Rock, the Blarney Stone, and the Mona Lisa all have in common? And no, it has nothing to do with her expression being stone-faced. If you said "they're all overrated", then you'd be 100 percent correct. If you answered "they're all worth visiting", we hate to tell you this, but you're going to be terribly dispirited. Sorry.
Either way, we were inspired by them -- and this Reddit thread -- to round up a list of the most universally disappointing tourist attractions on Earth. Here are eight guaranteed to make you say, "WTF, that's it?"