Tourists could find themselves banned from flights and having to pay hundreds of dollars for an emergency passport if they make this mistake.
Souvenir passport stamps at tourist destinations – which are novelty stamps in your actual passport – could render your travel document invalid.
The famous Checkpoint Charlie in Berlin, and the city of Ciudad Mitad del Mundo in Ecuador – where the equator runs through – are among the destinations that offer novelty stamps for tourists to commemorate their trip.
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The Hiroshima Peace Memorial Museum in Japan, the Antarctic Heritage, Easter Island and the Welsh village of Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch, which is famous for having the world’s longest place name, also offer souvenir stamps.
A British tourist found out the hard way last year, after she was banned from flying due to the souvenir stamp in her passport.
Tina Sibley, 60, who is originally from the UK but…