CHICAGO — When she took her dog out to Oak Street Beach on their morning walk Sunday, Portia Belloc Lowndes came across a scene that was so disturbing, she said, it felt “like a horror show.” ...

In addition to the numerous open and free beaches along Chicago's lakefront, the city's only inland beach, Humboldt Beach, is slated to reopen Monday after a four-year hiatus. With balmy ...