5. Holding a sign with a palindrome outside Otto... +5

This is the longest common English palindrome that's one word.

 

We stepped inside Otto to see about having a snack. However, the bar area has only tall bar tables with no chairs! And it was busy. We still had far too much time to still be on our feet to stand for a snack. Maybe we'll check it out some other time, if we get a reference for it. :)

Done