Silver Spring, Maryland: National Museum of Health and Medicine

A great medical museum of arcane specimens. Where else can you see the bullet that killed Abraham Lincoln and a human hairball? Nowhere else, that's where.

"A Hello to Arms" - Our terrible swift tour of Civil War body parts. Major General Daniel Sickles lost a leg during the Battle of Gettysburg when a cannonball struck. See the smashed leg bone at the National Museum of Health and Medicine.

There's only one collection in the world that showcases both a human hairball and the bullet that killed Abraham Lincoln -- and it's also an official American National Historic Landmark.

Among the artifacts on exhibit: a human hairball and an esophagus that choked on steak; the bullet that killed President Abraham Lincoln; a wooden box with slides of President Ulysses S. Grant's cancerous tumor; and President James Garfield's vertebrae, pierced by the bullet of another assassin.

Very interesting museum. Many plastination human organs, examples of human anatomy, and injuries from gunshot wounds. Section of military medicine and the actual bullet that killed Abraham Lincoln.