Argentina British citizens do not require a visa to enter Argentina as a tourist for stays of up to 3 months.       Take out full insurance before you travel, including medical insurance.       Check the Foreign and Commonwealth Office Travel Advice before travelling       Don't get involved with drugs. Penalties can be severe: minimum 4 and a half years prison sentence if caught.       Bring enough money: cash and travellers' cheques in US Dollars (to be changed into pesos) are recommended. Payment directly in US dollars is no longer allowed. Most credit cards are accepted although availability of ATM machines can be unpredictable.       Keep belongings in a safe place. Passports should be left in a hotel safe/security box except when being used as ID, eg changing money. Leave a photocopy of the details page with a contact in the UK and carry one with you. Enter next of kin details into the back of your passport.       Avoid carrying too much cash or wearing ostentatious jewellery       Beware of bag snatchers, pickpockets and poorly-lit areas at night       Hail moving taxis rather than those waiting at the kerbside       If hiring a car, ensure you keep the doors locked and windows closed at all times. Take particular care at traffic lights.