Art Dealers and photography lovers should get to the Park Avenue Armory beginning March 26, when 70 of the world's leading fine art photography galleries, including The George Eastman House in Rochester, Robert Mann Gallery in New York, and Robert Koch Gallery in San Francisco, present a wide range of museum-quality work by contemporary, modern, and 19th-century master photographers. On Saturday, a series of special events will take place at the Armory, one of which is The Art of Fashion Photography seminar at 2 p.m., which comes free with admission. The show runs throughout the weekend until March 29 and tickets are available on apaid.com beginning at $25 for a day pass.