Are you interested in anything in particular? History? The Civil war? Wine? Old steam powered technology? Steam engines?
The options are endless.
But here is my generic Suggestion.
Option 1 if you want yo travel. Head down into Pennsylvania then Maryland and Virginia visiting the Old Civil war and Revolutionary War sites.
Option 2 if you want on location. head to The same area but stay outside DC, lots of Museums to visit,
Option 3 if you like outdoors. Head to the Newest National Park. New River National Park in West Virginia. If you like more rustic stuff get a cabin at Babcock State Park just Outside the National park and on a tributary of the New River Gorge, Great scenery, amazing hikes, you xcan go white water rafter on east rapids or hard (two different of the river) If you are unsure do the Upper first and see if you like it then you can do the lower a day or so later if you wish. Several good rafting companies.
Also thier is a number of museums such as one in Beckley that you can go down into an old coal mine (on a tram so you just sit). Vety pretty and the weather is usually nice,
Option 4. If you like steam engines you can rent an old company house in Cass. WV and ride a tourist train behind a Shay steam engine (invented in Cadillac Michigan area btw) these 100+ year old engines will take you to the top of the second highest mountain in West Virginia. While in the area you can visit the National Radio Telescope facility (those things are HUGE).
Just a few thoughts off the top of my head