Pose for a picture with Theodore Roosevelt on the first floor.
At the Museum
2013 Museum Graduating Classes
IMAX and 3D
News & Blogs
Kick off your weekend or jump-start your spring break at the Museum.
Living harvestmen—a group of arachnids commonly known as daddy longlegs—have a single pair of eyes. But a newly described 305-million-year-old fossil found in eastern France shows that wasn’t always the case.