Watch the full-length episode at http://video.pbs.org/video/2365455109/?Utm_source=youtube&utm_medium=pbsofficial&utm_campaign=nama_covefullprogram (US Only) http://www.pbs.org/program/national-mall-americas-front-yard/
The design of the National Mall involved converting tidal flats, forests and farmland into the major landmarks we see today. Designer Pierre Charles L’Enfant placed major landmarks on high points, with the Capitol Building on the highest spot.
Premieres Tuesday, April 21, 2015 at 8 p.m. ET. Check your local listings.
