[quacked]

> The earth is a big place, why is it always the US they choose to visit?

Since almost all credible English-speaking UFO sightings (i.e. someone actually saw something strange in the sky and isn't delusional or lying) have been US military hardware, it stands to reason that the US has been the site of a lot of sightings reported in English. The only other really obvious places where you might see this kind of stuff is rural Russia, Kazakhstan, Mongolia, or China, and I don't know what kind of things the locals have been primed to believe or say when they see strange lights in the sky.

[RajT88]

There's been a lot in Brazil, actually. Brazil, like the US, has a lot of land and a lot of people.