The American tradition of dressing up for Halloween and trick or treating for candy is conquering the world. Even I’m taking my 3-year-old round the local houses so he can score some sweets for dad.

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses with vistors during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer dressed as Alice in Wonderland poses with the White Rabbit during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer prepares for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Warner Brothers Moviepark in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer looks to a mirror during the preparation for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Kamila before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Christine before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer poses during the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer prepares for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A costumed performer prepares for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination of photos shows costumed performers for the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination of photos shows costumed performers for the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Jennifer before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Sara before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Susen before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Sonja before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Jessica before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Michel before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

A combination shows Philippe before and after wearing a costume for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS

Happy Halloween

The costumed performer Tiffany poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

The costumed performer Sonja poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

The costumed performer Jennifer poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

The costumed performer Kamila poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

The costumed performer Sara poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

The costumed performer Jessica poses for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. © Ina Fassbender / Reuters/REUTERS

Happy Halloween

A combination of photos shows costumed performers for the Halloween Horror Party 2012 at the Movie Park Germany in the western city of Bottrop. INA FASSBENDER/REUTERS