reporter stefan kim of wabc has details. >> reporter: when construction workers went digging in the flat this is not what they thought they'd find, a vintage missile buried on 21st street, enter the nypd bomb squad. >> in today's world i thought it was a bomb. >> people come in and say you have to evacuate. you must leave right now. get out. you have no choice. >> reporter: well, it turned out this vintage missile is actually a time capsule and most likely belonged to the densiteria. it wasn't just any club, this is video posted by madonna on youtube performing there. back then it was where you went for the after-party's after-party. >> you would go into an elevator. they had live candles burning. the operator of the elevator was usually completely under the influence. good times. i'm still alive. >> this was a club with five floors open seven nights a week for five years and there were parties here every night. one more ridiculous than the other. >> reporter: john would know, he is the former co-owner but why a time capsule inside a missile. >> it was done with humor. it was just an exc