I am traveling to Mexico 30th September and I am flying through JFK with a 21 hour stop over. I was wondering if it was possible to leave the airport and go into New York city for a few hours and then return to the airport to catch my on-going flight to Mexico city. Do I need a visa for this in advance or is it a case of once at JFK I can leave?
I would be grateful if someone could help me.
Visa?