On TV

A sampling of fine arts on television for the week of May 19-25 Sunday, May 19 Smithsonian Channel, 7-8 a.m. "Smithsonian Spotlight: 100 years of Natural History" looks at the fine art, dinosaurs and millions of specimens housed at the museum over its lifetime. MPT2, 11-11:30 a.m. "Invitation to World Literature" explores the Popol Vuh, the Mayan book of creation, with commentary from archaeologist Richard Hanson, humorist Mo Rocca and Guatemalan artist Shuni Giron. C-SPAN2, 11 a.m.-noon "Book T...