Upheaval Dome remains one of the most enigmatic structures in North America. Ongoing debate continues about whether the structure is a deeply eroded meteor-impact structure or a pinched-off salt dome. This report presents the case for the salt-dome hypothesis and critically evaluates the arguments on both sides of the debate. Upheaval Dome (Canyonlands National Park, Utah, is an enigmatic structure previously attributed to underlying salt doming, cryptovolcanic explosion, fluid escape, or meteoritic  impact.