In the US city of Fort Lauderdale, Florida, people cannot give food to homeless people in public. It is necessary to obtain an official authorization from the local authorities for such an act.
Still in Florida, in the city of Lackland, since 1944 it is forbidden to spit in any public place.
A couple of Russian tourists bought some seashells from the local market and paid a fine of about $2,000 each to avoid spending 1 year in jail.
Additionally, a local law enacted in 1935 prohibits possession of more than 120 playing cards. Thus, it is possible to be arrested if you are caught with more than two playing cards or if you are suspected of being a gambler.
You must always carry your Japanese ID card with you. If the police stop you and you don't have your ID, you can go to jail for up to 23 days.
Also, if you are going to travel to Japan, you need to be careful with the medicines you will take. Many medicines are banned in the country, including some for colds and flu.
Even a dance move can be grounds for arrest in Saudi Arabia. This is because local authorities believe it resembles people under the influence of drugs.
Tourists from Saudi Arabia who decide to eat or drink in a public place during Ramadan will be arrested and deported. This is justified by the fact that in Ramadan a quarter of the world's population fasts during the month of Ramadan, the ninth month of the Islamic lunar calendar.
In Singapore, you need to be very careful when choosing a Wifi network. It is necessary to notify its owner, otherwise it may be considered a hacker attack, punishable by up to 3 years in prison.
