How about Washington, DC - lots of history and the Smithsonian Museum complex is fantastic.

Thanks for the idea. We actually live in Virginia and can do DC as a "weekend getaway". Plus, the girls really want to "go somewhere" ; we are lucky that DC really is our backyard. Would love to hear any other ideas!

How about Philadelphia, not too far a drive and loads of history and other things to do there.

Have you done the Charlottesville area yet? We went there last year on our way back from FL (we are retired) and seeing Monticello was always on my bucket list! Loved it and we also did Madison and Monroe's homes, so much history there. We also visited UVA and did the free tour of the rotunda, a college student did the tour and it was wonderful. Might give your 14 year old something to think about for college!

http://www.washingtonpost.com/wp-dyn/articles/A2211-2002Oct9.html

Or how about Yorktown, Jamestown or Colonial Williamsburg, a great place to visit.

Virginia Beach: http://www.virginiabeach.com/attractions

Myrtle Beach area is nice for spring break, lots to do there.

Ocean City, MD might be nice:
http://ococean.com/

Hope this helps, let us know what you decide.

southern Vermont
western Massachusetts
Cape Cod

Vermont will be in mud season then.

You should stay in a cabin rather than a hotel, I am sure you will enjoy there. This is a great way to spend time together. Good Luck!