Zimmerman hosen’s double zippers seem useful. 
The vineyards in Stuttgart could been seen clearly from the autobahn. Traffic jam can become fun when an additional lane is created by your car.
The Alps were covered in snow and stars and Ljubljana was filled with blue and orange lights. The pigtails in the pedestrian sign in Ljubljana are a sweet addition. The border between Slovenia and Croatia had three passport checkpoints. We gave passports from four different countries.
Zagreb at 2AM was -9.4C.