These quizzes are awesome :) Could you accept some more type-ins for the White Cliffs of Dover (such as just "Cliffs of Dover" or "Dover Cliffs")? It'd also be nice if you could accept "Duomo" for the Florence Cathedral.
This quiz got really hard, i think there are some more known landmarks than guggenheim, if you want i can help you with some easier landmarks for a 4th quiz
Sure, they are supposed to get harder. The first one was very easy. Welcome to make suggestions for a fourth. Note that lots of landmarks don’t fit the format very well.
You can use different browser in the meantime if you want to play it properly. Which you should do anyway because Safari is awful :)