
It might not be quite as thrilling as, say, swimming with whale sharks off the coast of Madagascar at midnight — but it’s as good a nighttime marine experience as you’re likely to get in Chicago.
Beginning this week, and lasting through June 27, the Shedd Aquarium is offering free admission to Illinois residents from 5 to 9 p.m. Tuesdays and Thursdays. The last entry is at 7 p.m. Nonresidents can come, too, but will be required to pay for admission. For pricing, go to www.sheddaquarium.org/plan-a-visit/plan-ahead-pricing.