You will need a passport, visa, and American Visitor Insurance.
Of course. You will need a valid passport.
You need photographic ID for ANY flight!
No
Yes, you need a passport to travel from England to anywhere outside the EU. You may need a passport, or other acceptable ID for countries in the EU.
No you need a Federal ID such as drivers license, passport or militay ID.
A passport (air travel) or ID/birth certificate (land travel) and some money to spend are all you need.
Not unless you are the driver.
No but they need a passport if they live in Canada.
Yes- by car, plane, or bus.
As long as you are an EU citizen, you will not need a passport to travel to any EU country. As a Hungary resident, you can travel with only your ID to Greece from UK.
ID is very good - passports are not required
No, you just need a national ID. Their both part of the EU.