sentences:  The 65,000 objects in the museum's care represent the diverse artistic traditions of six continents, including, broadly, Native American, European and American, Asian, Indigenous Australian, African, and Melanesian art.The museum hosts both collection-driven and loan-based traveling exhibitions.Among the museum's most important holdings are six Assyrian stone reliefs from the palace of Ashurnasirpal II (about 900 BCE), the complete archive of photojournalist James Nachtwey, and the fresco by José Clemente Orozco titled "The Epic of American Civilization" (1932–34), which was designated a National Historic Landmark in 2013, located nearby in Dartmouth's Baker-Berry Library.