The tour starts at the Korean War Veterans Memorial where you'll hear the history of Korea, the Korean war and the how the US participated.
You'll also see amazing statues. From here the walking tour app will guide you through to the Lincoln Memorial and then through the National Mall.
The tour ends at the steps of the Capital building where you'll hear about the role George Washington played in the city. The history of the building and secrets of it's history. And it's subway!