New York Songlines is an impressive HTML map of Manhattan. Each block is annotated with historical facts and other trivia. I wish I were more familiar with Manhattan so I could know what buildings they were talking about.
East 28th St. and Park Ave. South: 6 Train to Union Square. In the film The Taking of Pelham One Two Three, the ransom for the hijacked subway train is delivered to this station. It was also the site of the first recorded real-life subway crime, when a $500 diamond stick-pin was stolen on opening day, October 27, 1904.
[ From Boing Boing ]