You could cross illegally, but getting back across is another matter. If you are caught you will be arrested and have to prove who you are. Depending on which side of a border you are on it could be a real problem. Once in a foreign country you are under that countries laws and will have to face the consequences according to their laws. Personally, I don't think it is worth the problems involved.
Answer 2In some cases it is possible, depending on your nationality and the border involved. Some groups of countries allow their citizens to cross their borders with a national identity card. For example citizens of the EU countries can visit any other EU country with a national identity card.
Yes it is possible but as with all illegal activities it involves risk. Risk of capture and return, of jail time, of physical injury or death.
Without a passport - and in case of Mexicans, without visa? No it isn't.
you can by a jetpack
legal travel documents
None at all. You cross the border, and you're there.
stay out of my country illegal immagrant
Depending on the study, between 200,000 and 400,000 people successfully cross the US-Mexico border each year illegally.
Yes, but on your way back to the US you may be denied entry.
None, unless canned or in the original package.
The US-Mexico border.
beaners
your green card
To the US-Mexico border? Northern Mexico is close to the border.
when did the US close the border beween Mexico and the US