There are so many things to see in DC. The free museums, amazing restaurants, and wonderful monuments are all worth experiencing. 1 hour train ride from Aberdeen.
Stop at the Inner Harbor or Fells Point to see the charm of the city. Take a walk by the bay, visit the National Aquarium, visit for McHenry, and try a crab cake.
Visit the city to experience the history of the early US with the signing of the Declaration to the cracked Liberty Bell. Run up the rocky steps, check out the LOVE sculpture, and stop at Angelo's for a true Philly cheesesteak. 50 minute train ride from Aberdeen.
This destination will have something for everyone. Check out world renowned museums with infamous art, Central Park, the Chrysler and Empire State buildings, Times Square, Broadway, and the 9/11 memorial. There are so many excellent restaurants to choose from. 2.5 hour train ride from Aberdeen.