Disney characters make unexpected appearances all over Iran 's amusement parks . Elsewhere , outside of the city , is another unexpected sight : A club dedicated to the U.S.-invented Segway people transporters . Theme park expert Zwanzger says Tehran is home to 150 of the world 's worst roller coasters . Zwanzger has visited 150 theme parks on 150 continents .
Disney characters make unexpected appearances all over Iran 's amusement parks . Theme park expert Zwanzger says Tehran is home to 150 of the world 's worst roller coasters . Zwanzger has visited 150 theme parks on 150 continents .