Exaltcom.com does a line of sight test, achieving 150 miles of straight level observation. This should not be possible on a ball earth with a circumference at the equator of 25,000 miles.
Plenty of articles refer to the experiment, which wasn't intended to generate flat earth evidence. Notably here, here, and here.
Ty Gorton and the gang have completed the first issue of Flat Revival. Spiritual North boasts an extensive Q&A about 'Flatlandia' amidst its pages.
It's always fun to be first. Well Flat Revival Magazine is no exception to that rule. Check out this new rag and get your copy today!
"Are you serious? Yes. Are you controlled opposition? No." - FAQ
Perhaps you can appreciate the comedy of this being answered as the second in a list of Frequently Asked Questions.