Deal alert! Enjoy FREE general admission to the Cranbrook Institute of Science and its Ancient Rome: Age of the Caesars exhibit, presented by Flagstar Bank, Sunday, May 20, in honor of our Roman holiday. As part of the free admission, guests can experience a lively demonstration of gladiatorial combat, explore hands-on activities, learn about Roman life and the famous Roman legionary soldiers and play with the toys and games of Roman children. Special activities take place from noon-4 p.m.