x 3rd-sFr-Pike-c98-WEB March 4, 2018 1200 × 767 Seattle Now & Then: 3rd and Pike Looking East, ca. 1903 Yet another look south on Third Ave. and through its intersection with Pike Street. The long work of building the main post office at the southeast corner of Third and Union has not yet begun. The completed P.O. appears in the photo above this one.