I want to travel across America for my gap year. Is there an agency that would be helpful?

I want to travel across route 66 for two months. I was wondering if its possible to get a package including flights and car hire. Most I have found are only two weeks.I want to travel across America for my gap year. Is there an agency that would be helpful?I did suntrek tour and loved it-suntrek.com

I know also about trekamrica.comI want to travel across America for my gap year. Is there an agency that would be helpful?STA travel or AAAI want to travel across America for my gap year. Is there an agency that would be helpful?see http://www.crazyforislands.com