A guide to the natural beauty to be found in and near America's urban centers. America's cities possess scenic sites such as the Brooklyn Botanical Gardens, Mount Tamalpais outside San Francisco, and Chicago's Lincoln Park--accessible retreats from the press of urban life. This guide is designed for daytrippers, weekenders and tourists who long to lose themselves amid nature's splendor without having to stray too far from town. Covers 20 major cities;...