International travel by Americans is up 8% over last year, but average trip costs have gone up a whopping 36% in just a single year. Where are we spending that money? CBS News travel editor Peter Greenberg finds out.

(Photo credit: Getty Images)

<p>International travel by Americans is up 8% over last year, but average trip costs have gone up a whopping 36% in just a single year. Where are we spending that money? CBS News travel editor Peter Greenberg finds out.</p>
<p>(Photo credit: Getty Images)</p>

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