As far as planning a trip goes, there are many
things to do in Washington DC. Personally, I didn't go on a guided tour but that's just me, I like to explore and take my time. I highly recommend going to the
National Mall.
We've got a few different
Suggested Itineraries for Washington DC that you may want to check out.
There are also a variety of
Washignton DC Day Trips that you may find helpful.
Hope that helps! Enjoy Washington DC!