Learn how Native Americans were able to build huge cities aligned to the cardinal points and monuments that celebrated the solstices and equinoxes, at a free presentation tonight at 7:30 pm Eastern time.

This program was organized by Friends of the Planetarium. While the Planetarium is closed, we plan to bring you a series of programs to help fill the void. Some of these will be announced only to members. Why not join or renew your membership today?