One of the cool treats of the nearby city of Rüsselsheim is the close connection of city and Opel headquarters. One a year, the park next to the river Main is opened for a day for all kinds of classic cars resulting in the biggest one-day meet in the country.
This year I went there with the NA since the first generation is now already 30 years old and therefore technically allowed in :)
What can I say, it really is an awesome experience to have a meet in a park :) The cars were amazing, too, and despite a stron bias towards Opel (sure thing), there still were many other cool cars there as can be seen on the following pictures: