Whispering Arch

The Whispering Arch is a unique architectural feature located in the St. Louis Union Station. It is an arch that possesses unusual acoustic properties, allowing whispers to be heard clearly from one end to the other, even when spoken in a low voice. The arch is part of the original architecture of Union Station and dates back to the 19th century. Visitors can find the Whispering Arch on the second floor of the station, near the north entrance, and it is marked with a plaque. To experience the phenomenon, two people should stand facing the wall at opposite sides of the arch and whisper to each other. The sound will carry through the arch, allowing the other person to hear it clearly. The Whispering Arch is a fascinating feature that is sure to delight visitors of all ages