Wall Arch References Wall Arch geological formation, Utah, United States Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Arches National ParkIn 2008 Wall Arch, one of the park’s most-photographed arches, collapsed. Read MoreIn 2008 Wall Arch, one of the park’s most-photographed arches, collapsed. Read More