I have no personal knowledge of any of these except for the thumbs-down--which I second--on the Hollywood Walk of Fame.
See also the probably more controversial "The 16 Most Disappointing Places To Visit On Earth".
"A Business School Professor's Google Street View 'Road Trip' Has Produced Some Incredible Photos Of America"
A cool idea, well-executed.
Don't--I repeat, don't--make any jokes at all about bombs: "A Doctor Made A Bomb Joke In An Airport And Was Fined $90,000".
I'll pass, thanks, but those of you with wanderlust may find this interesting.
Maybe bookmark for next year's vacation.