day trips suggestions

Would like to enjoy day trips from nyc and love to be in Washington to enjoy the in-depth tour. Hope to spend a day there will remain a great idea to have fun. If you have any suggestion that not to skip there then can share frankly here. Waiting for replies here.

Let me add some attractions names of Washington Dc attractions which surely attract you.
United States Capitol
Lincoln Memorial
National Mall
Thomas Jefferson Memorial
Arlington National Cemetery
Vietnam Veterans Memorial
Washington Union Station
John F. Kennedy Center for the Performing Arts
Martin Luther King, Jr. Memorial


These are some attractions which makes you happy.

How much time is enough to spend in Vietnam Veterans Memorial and Thomas Jefferson Memorial. Hopefully, it will be a fun to be there and enjoy time in DC. Share your suggestions here and let me know more about these attractions. Say all that you know Burns.