Definitely my most interesting experience was on the rod to Verona, in Italy. I was racing against an incoming storm when my saddle pin snapped about 30 km from Verona. Walked along the road until I came to an unmanned, 24 hour petrol station just as the storm broke. Broke out my stove and made some coffee and food (amazing how hot food can lift your spirits) and tried to figure out the best option.
The station was a little strange. While I was there, 2 SUVs arrived and guys in semi-military clothing had a long talk and started transferring big boxes from one van to another. I was studiously looking elsewhere. Eventually as the clock was ticking close to 11 pm, I decided that the back of the station would be the home for my tent for the night. There had been a shop/cafe as part of the station, so I went behind, ducked under the red/white plastic tape that was keeping people away from the fire-damaged rear of the station and set up the tent on a rough bit of grass.
Just as I was about to get into the tent, a car pulls up and the driver is straight over to me telling me to move! I figured out too late that there was an alarm and going behind the "lines" I had set it off. In some despair I started taking down the tent and preparing my self mentally to walk along the road. (An earlier scouting mission had shown no likely camping spots, only very well fenced farmland or vineyards). But as it turned out, my tormentor became my hero. He just wanted me to move outside of the screened off area! He seemed to understand without the building I was more exposed, so walked over to me and pointed up at a light pole and showed me the (very small) CCTV camera, and then another and intimated that as long as I was between the 2, I would be safe! (Of course, he may also have been warning me that I wasn't to do anything silly, as Big Brother was watching!)
He wished me a good sleep and headed off.
I was terribly impressed with the calmness and friendliness of this stranger who I was responsible for dragging out into a nasty thunderstorm on a Saturday night!
On the same trip, I had my favourite wild camping experience in a mountain valley in Austria. I breezed past my likely campsite for the night because the evening was just so nice. I was on a perfect road that all the traffic disappeared from about 6 pm. The sun was going down and the colours and shading of the valley was a joy to cycle through. The stars were slowly coming out and with the clear air the sky was becoming the most beautiful ceiling. I didn't want to stop, just keep cycling along enjoying the colours, the views, the whole experience.
Eventually about 11 pm, I turned off into a vineyard, went aways from the road and turned down one of the rows.
Didn't even throw up a tent. Put down my sleeping pad and fell asleep looking at the Milky Way glowing what seemed to be just above my head.
My biggest issue wild camping appears to be my snoring! One morning at a wild camping spot, as I was making my morning coffee, a guy emerged from the woods beside me to tell me that he could hear me snoring all night long! So now I look for places that I'll not be seen..... and heard!