40 tourist scams to watch out for

WATCH OUT: People walk along Las Ramblas street in Barcelona, a city that is home to many common tourist scams.
WATCH OUT: People walk along Las Ramblas street in Barcelona, a city that is home to many common tourist scams.

This post originally appeared on Mashable.

There are many ways that scammers take advantage of unsuspecting tourists, but more common schemes can be avoided if travellers stay alert, and take a few basic precautions.

For one thing, tourists should always be wary of anything offered for "free," and of special deals that seem too good to be true.

The oft-repeated advice to stay alert and watch your valuables is true no matter where you are.

Travellers should also have a plan in case something goes wrong, including keeping some extra cash and identification in a safe spot, and knowing who to contact for help in a given destination.

The following rundown of scams, categorised by type and location, provides a solid primer for tourists.

Check out these common tactics before your next trip, so you won't have to learn the hard way.

Infographic from Just the Flight UK: