Not an April Fool’s joke, but the popular Spring Street fair on 4th Avenue starts on April 1st this year, to April 3rd.
All info at: http://www.fourthavenue.org/general-information/. Map below:
And check out the 3 new recently installed HeART sculptures along 4th Avenue, which you and your significant other/partner/spouse can place a lock on, forever. Actually someone recently pointed out to me that some are combination locks, so you have a way out if you want to remove it later.