Lincoln death mask made in 1860 by Leonard W. Volk.
Library of Congress (Jefferson Building)
Ford’s Theater, the place in which Lincoln was assassinated, requires you acquire tickets ahead of time that dictate what time you can visit. The tickets are free, though you do pay a nominal transaction fee if you acquire them online. The theater has a small but informative museum in its basement and, depending on when you go, a Park Ranger gives a presentation in the theater proper. Unless you feel you absolutely must visit, I recommend avoiding it because overcrowding makes getting around more difficult than it is worth.
During my trip to Washington, D.C., I visited places beyond the Smithsonian. One of these was the Library of Congress, which is not a single building but rather three connected underground so once you pass through security you can move among them unhindered. The British burned down the original Library, and fires took their toll on its replacement. In 1886 Congress authorized the construction of a new building to hold its ever-increasing collection. Designed to look as if it came from the Renaissance, it opened in 1897 and is now known as the Thomas Jefferson Building. Here one can take a free guided tour, most of which you can’t hear due to the noise from the massive crowds wandering about.
This is an original can of Pringle's. It is significant because it says, "Potato Chips," not "Potato Crisps" as you see today. This is because of a lawsuit by traditional potato chip companies who cried foul that these perfectly-shaped munchies weren't real potato chips.