On first glance, the Seattle Art Museum (SAM) website for Gaugin and Polynesia appears to be for those who can visit in person, but once located, the Explore the Art link (on the far right) takes virtual visitors to a wealth of online exhibition content. There are five chronological chapters, covering the timeline of Gaugin's journeys to Tahiti and other tropical islands. For each chapter, there...

Where to start with a collection like that held by the National Gallery? It's a truly daunting challenge, but fortunately the curators there have done some of the hard work already. This remarkable offering brings together 30 of their finest works, including Vermeer's "A Young Woman standing at a Virginal," Titian's "Bacchus and Ariadne," and Van Gogh's "Sunflowers." Visitors can click on each...