The September 11 Museum in NYC is preparing to open its doors to the public on May 21, but families and responders are the first to tour the facility.
A Pittsburgh museum is trying to get in on the prankster fun.
The Smithsonian Institute announced it has discovered a new animal in the raccoon family, the olinguito, which lives in trees in the Andes mountains.
The Guggenheim Museum in Bilbao, Spain opened in 1997 and was immediately hailed by both critics and the public as one of the most important buildings in the world. See why in our exclusive photo gallery.