Working in the middle east, we got some super airline flights because it's a long way from nowhere to anywhere else. One of the best took place before the age of paranoia. I was going to a conference in Atlanta and after boarding the second leg in Amsterdam, I chatted with the KLM captain. He invited me up to the front end and I rode jump seat all the way to Atlanta. Not only that, but it was crystal clear from our landfall over Newfoundland all the way to Atlanta. There was Halifax, Boston, NYC, DC... Just like a dog, I left greasy nose prints on the cockpit windows. When we landed, the co-pilot gave me the marked up ocean crossing chart with all our reporting points circled and the doodles that helped us pass the time during the crossing. Back then KLM gave you a little Delft house full of gin at the end of the flight. Nowdays, you have to pay for your second bag.
On another crossing, I flew AMS-SFO. Check the great circle route on that. No jump seat on that one, but I had a window seat as we ticked off some great moments: a hole opened up in the undercast just as we passed over my birthplace, Belfast in Northern Ireland, we passed over Iceland, Greenland, Baffin Island, Nunavut, Hudson Bay, Yellowknife NWT, Mt. St. Helens and as a bonus, a great bay tour on arrival at SFO. Definitely got my money's worth on that flight. But, the highlight was over Greenland. Usually, flying over Greenland was just a view of the stratus beneath us, but this time it was spectacularly clear.
Total geek approaching the limits of GPS coverage. This was back when the constellation didn't cover the polar regions that well.

East coast fjord and glacier

Greenland ice cap swallows 10,000ft mountains

Over the top. At this point I'm arguing with a passenger who wants me to lower my window shade so he can see a re-run of the Little Mermaid

Pack ice west of Greenland.

Mt. Saint Helens

Like they say: Without pictures, it didn't happen. This happened and I LOVED it. Despite the best efforts of the bean counters and security overlords, there's a part of long range airline travel that just can't be ruined.
YB