Never take a taxi that seems just to be hanging around, offering its services when there is a taxi queue available.
This gives you one less thing to worry about, and will stop you from pulling a large amount of money out at the airport arrivals.
If you have not been able to find anything out about the airport that you are visiting to then ask one of the airline staffs, or the government tourism booth (if they have one at the airport) for some assistance, or tips on the best way of traveling.
Most countries really are very safe, but in others it is really very advisable to take to take as many precautions as possible.
