![Explore time using exhibits as clocks at the Harvard Museum of Natural History, in Cambridge MA! Explore time using exhibits as clocks at the Harvard Museum of Natural History,](https://northshorekid.com/sites/default/files/stories/explore_time_hmnh_0.jpg)
Explore the concept of time revealed in specimens specially marked with a 'time piece' located throughout the galleries of the Harvard Museum of Natural History. Find extraterrestrial rocks "as old as time"; look closer at giant clams whose shells, like tree rings, show each year's growth; or seek out fossilized dinosaur footprints crossing through a riverbed over 200 million years ago. Pick up the Time Trails map at the museum front desk, free with museum admission. Great for kids ages 6 and up!
Pick up the Time Trails map at the museum front desk, free with museum admission. Time Trails is offered as part of the Time and Time Again exhibition at Harvard's Collection of Historical Scientific Instruments.
BONUS: Get the free forthcoming Time Trails smartphone app to explore the Harvard campus for 40 thought-provoking objects in Time Trails at all four of the Harvard Museums of Science and Culture.