Sister Araceli Perez walks past portraits of the Josephine Sisters founders, Jose Maria Vilaseca (top left) and M. Cesarea Ruiz (top right), in the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
A view of the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
A view of the K.S.K.J. Building cornerstone outside the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
A view of the K.S.K.J. Building cornerstone outside the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
Sister Araceli Perez pauses in the chapel in the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
Sister Araceli Perez walks in the chapel in the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
A view of the preschool area in the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
A view of the dining room and living room for the convent in the Vilaseca Josephine Center Friday, May 4, 2012, at 351 N. Chicago St. in Joliet. The center, which houses a daycare and convent, moved in the former K.S.K.J. building in 1981. | Matthew Grotto~Sun-Times Media
JOLIET — There is an older, stone-fronted office building in Joliet’s Slovenian Row that typically goes unnoticed. Yet at the time of its construction this seemingly nondescript structure at 351 N. Chicago St. was called “one of the most outstanding modern buildings in the city …