During traveling, people are very rarely willing to thoroughly learn the culture of the countries where they spent holidays. Meanwhile, the majority of the most popular attractions of the world keep secrets, which are able to scare not only travelers but also locals. For example, the central building of the museum in Memphis served as quarantine for plague patients. The website daypic.ru think that knowing this fact many people would refuse to visit that place.u.
Tourists should not visit bars that invite for free drinks. Most of such bars are under the patronage of the yakuza. The probability to lose a wallet is very high, but the police in such a situation would not even listen to you.