Walk into any major museum and you’re surrounded by masterpieces that generations of art lovers have studied and admired. Beneath those familiar surfaces lie secrets that remained hidden for centuries ...

Special restrictions on use of these materials apply. See Record of Transfer, Appendix B, Transferring office; Record of Transfer, August 25, 2009; Contact reference staff for details.

CC0 Usage Conditions ApplyClick for more information. Discover how the camel has adapted to withstand the harsh, arid climate of the desert. Learn how their interdependence with the Berbers enabled ...