Above Fifth Avenue guide-times-fans carrying mail and possibly setting

carrying mail and possibly setting a record for longest nonstop flight between those two cities

After a 146-year-run

Philadelphia and surrounding towns visited the zeppelin at its Lakehurst hangar later in the day

winged creatures and National Security Agency satellite-map sleuths

Above Fifth Avenue guide-times-fans carrying mail and possibly settingPhotographers went to great lengths, and heights, to snap photographs of skyscrapers under construction in New York City. In this 1905 photo, a daring photographer appears to almost float in midair, 18 stories above Fifth Avenue, looking north. Look closely and you'll notice a thin iron bar supports him, though we're guessing that provided little comfort knowing terra firma was a long, long way down.