This content uses referral links and contains affiliate links to products. We may receive a commission for purchases made through these links at no cost to you. The majestic Monadnock (Jackson & Dearborn) is one of my favorite buildings in the Chicago Loop. The Loop refers to the central business district. The elevated train (the “L”) follows around the loop and is over a hundred years old. This first line ran to Jackson Park and was a people mover bringing them to the 1893 World’s Columbian Exposition aka The White City. A very important event that I’ll write about another time. Read Devil in the White City by Erik Larson…