'They are going sightseeing' or 'They are going to go sightseeing' are acceptable forms.
2 AM in New York is 1 AM, 2 AM, 3 AM, 4 AM, or 5 AM in Brazil, depending on the location in Brazil and the time of year.
to famous places
You would find these coordinates in South America. Specifically, they point to a location in Brazil near the city of Campo Grande.
If you headed North from Bolivia, you would enter into Brazil.
sightseeing, play sports, go to cinema, festivals, etc
Some top sightseeing attractions in Oregon to visit are Crater Lake National Park, Multnomah Falls, Cannon Beach, Columbia River Gorge, and the Oregon Coast.
Brazil would batter them
Brazil.
in south brazil
Well, that would be Brazil...
Presumably the most direct way to get to Brazil would be by plane, but Brazil is also accessible by ship, car, train and foot.