Just before Danny Muñoz could reach the man who had caught his eye, someone else whisked the stranger off to dance.
So Muñoz waited under the flashing lights for him to return. They started talking. They danced to Donna Summer. They began to fall in love in the cavernous club, a love that would one day lead to marriage.
"In other discos you felt like you had to be a certain way. Act a certain way. Dress a certain way," Muñoz, now 66, remembered. "Not at Circus Disco."
For decades since the disco opened in 1974, clubgoers strolled through its outlandish entrance — the gaping mouth of a cartoonish clown — to dance and...