In spite of the extreme cold, a lot of people made their way down to Chicago’s lakefront Sunday, taking advantage of free days at some of the city’s biggest tourist attractions.

A trio of southern sea otters frolic in a Monterey Bay wave near the end of Rockview Drive in Pleasure Point this week.

Steve Jobs famously rejected the first iPod prototype by dropping it into an aquarium to reveal air bubbles, proving there was unused space, and challenging Apple engineers to make the device smaller, ...