To commemorate the nation's third president Thomas Jefferson and built in 1938 under the auspices of the Franklin D. Roosevelt began to be completed in 1943. Jefferson Memorial by the Roman Pantheon favorite architectural style dome-style design, is a 96 feet high white marble building. April each year, the Memorial Hall next to the cherry blossoms in full bloom tidal lake, the lake with the reflection of the memorial, a very beautiful scenery.