There are hell load of illegal/GC/Student Nepalese. Just ask them for a place, they will provide you a slice of floor to lay over for a night. While in New York, you can buy 5-trips train tickets for 5 dollars(that is what it used to be 10/11 years ago, so I assume it is 5^5 dollars now), then take a train from Manhattan to Long Island. Manhattan to Long Island takes ~4 hours and two ways is like 8 hours, so you can spend(I mean sleep) the whole night in train. Go cheap, and act like homeless man, it is really fun. When you get off the train, there are lots or publish bathroom where you can even take shower, so get fresh. New York is the best place in the world, I love New York more than any place in the world. You can see people talking all different languages in NY and nobody seems to be bothered by it, but anywhere else in the US, there will always be some dumbos that gets pissed off by it. Washington DC is nice, but I don't like people there. They are mean and loud! And never ever go to NorthEast DC, kale will kick your ass!! The places you wanna go while in DC are museums(smithsonian, Airspace), The White House, Capital, monuments,Lincoln memorial...and more museums. You can also visit Adams Morgan/Dupont Circle area in DC for clubs and bars. Oh, you can get Chinese bus to NY from chinatown which is cheap and fun. So my suggestion to you is that travel cheap and act like a homeless (I don't mean manner-less) and please don't act like Nepalese. Don't spit wherever you want(even when you think no one is watching), don't keep your gaze at black dudes (btw, it's considered manly to check out chicks ass in DC/MD/NY and they all love it), throw rubbish in trash, and always speak English! Happy travel!