Unleash your inner Galileo! Meet at the north leg of the Arch at 8pm for a twilight walking tour of the Arch grounds that visits the various incarnations of buildings, people and boats that once occupied the historic area where the Arch stands today. Stargazing led by the St. Louis Astronomical Society to follow the twilight tour, pending clear skies. Attendees are encouraged to call 314-655-1750 ext 472 the day of the event for a weather status check.
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