When tourists become targets of crime, word spreads quickly.

The problem is that many would-be travelers are so focused on such stories that they either avoid the scene of the crime or spend their precious vacations constantly looking over their shoulders.

That's no way to travel.

But there is no point in ignoring travel scams at street level. It pays to understand common traps and ways they can be avoided. Be alert to any unsavory plans for separating you from your travel money.

Extra: Take some advice of our readers and give us some warnings from your own experiences.

_{Photo by Bruno Vincent/Getty Images}

Where is it written that quality attractions always must charge an admission fee?

Examples: a visit to the Smithsonian, a drive along the rugged California coast or a weekend in Great Smoky Mountains National Park.

All of those experiences will cost money to experience, but admission charges are not required.

There are many other important travel experiences that are free of charge. Take a look at travel opportunities that come at no cost. The tips you'll read will do more than just improve your travel budget numbers.

Here's the latest list of 10 travel deals for this week. Many of these links lead to offers with a very limited shelf life, so if you're interested, act quickly. But don't act so quickly that you miss the fine print. Winter Travel Deals aren't quite so fleeting, and are also worth a look. Among this week's deals: Expedia.com discounts in Florida, a pair of train-related sales and a special offer for flights to London.

Ever get a great airfare but cough up the savings for an expensive ride from the airport?

It's not hard to do. In many major cities, a cab ride from terminal to downtown is $50 or more.

But some of those same cities offer airport trains at a small fraction of the cab or shuttle bus prices. Granted, the ride might not be quite as comfortable, and you might do a little walking, too. But if you practice one-bag travel, these small sacrifices can add up to big savings.

Take a look at 12 North American cities where rides on airport trains cost less than $10. Climb aboard and save.