Maps of the Pacific Coast from the earliest period of European exploration continue to interest cartographers, geographers, and antiquarians. The maps in the Quivira Collection date from 1540 to 1802 and include early depictions of California as an island, Russian cartographic interpretations of the Pacific Coast, and overland maps across the continent westward to the ocean. All told, this online collection includes forty-five maps, books, and illustrations organized into six thematic galleries. Visitors can start by listening to an audio introduction, and then look around through the thematic galleries, which include such intriguing headings as " In the Wake of Captain James Cook" and "Secret Russian Explorations in the Pacific". Of course, visitors must click their way into the "California as an Island" section, if not just for a taste of six examples of what is perhaps one of the best-known cartographic mistakes in the world.