Kecksburg Space Acorn, Skyscraper Swindle, Emperor of the US (60m)

Mysteries at the Monument

Don Wildman inspects a bizarre acorn-shaped sculpture that commemorates an otherworldly event; the world's smallest skyscraper, which was at the heart of an outrageous scam; an engineering wonder inspired by an eccentric figure.

Up Next 10AM | 9c

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