Try the quizzes for yourself:
https://www.sporcle.com/games/7iiLoddy/hardest-geography-quiz-on-the-site
https://www.jetpunk.com/user-quizzes/61711/really-hard-geography-questions
https://www.jetpunk.com/user-quizzes/61711/really-hard-geography-questions-2
https://www.jetpunk.com/user-quizzes/61711/really-hard-geography-questions-3
https://www.jetpunk.com/user-quizzes/61711/really-hard-geography-questions-4
Join my Discord server here: https://discord.gg/WnSrnXmG