No need to change currency, carry a visa or wear a good pair of walking shoes.

If so, how does one account for all the youngsters in Leningrad who risk arrest by offering to change currency or buy jeans?

But Libya is one of the most expensive countries in the world, if visitors change foreign currency at the official exchange rate.

Table players change currency for casino chips at the tables.

There are also money exchange posts throughout the country that change foreign currency to Mexican pesos and cash checks.

Any place you go where you change currency, allow time at the airport to stand in line to reconvert to dollars.

A few high-end restaurants, especially in hotels, will change currency.

You can use your Hong Kong dollars here, so there's no need to change currency.

A booth exists where passengers can change foreign currency, but as usual on weekends or evenings, it is closed.

Go much farther and you'll need to change currency.