Amsterdam
OK, so if you’re a young bro, you probably go to smoke some legal weed (come on guys, it’s legal nearly everywhere now) and gawk at the women in the windows in the red-light district.
Athens
Going to Greece? Some people will tell you to skip Athens and go straight to the Cyclades islands. (After the cab driver from the airport rips you off, you might be tempted.) Are they kidding? And miss out on that big old (really old) building—the Parthenon. And the food!