We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-08-28 · 5 entries checked · 14 flagged · 28 issues confirmed · 2 corrected · 26 still open
Grand Canyon — The claim that the Grand Canyon was the 15th national park is incorrect; it was the 17th overall.
Grand Canyon — The claim that the first bill to establish Grand Canyon National Park was introduced in 1882 by Representative John H. Reagan is incorrect; the first bill was introduced by Senator Benjamin Harrison.
Zion — The acting director of the National Park Service in 1918 was Stephen T. Mather, not Horace Albright.
Zion — Kolob National Monument was designated by President Franklin D. Roosevelt, not by Congress.
Yosemite — [contradicted] Savage, engaged the Ahwahneechee during the Mariposa War :: The source states Savage led the Mariposa Battalion in the Mariposa War, but does not use the phrasing 'Savage, engaged' and the grammar is unclear. Additionally, the claim implies a si
Glacier — [contradicted] Glacier is a U.S. national park :: A glacier is a persistent body of natural ice, not a park
Glacier — [contradicted] Glacier National Park is a national park of the United States :: The article defines a glacier as a natural ice body, not a park
Acadia — [contradicted] Acadia National Park is the first U.S. national park east of the Mississippi River. :: The source article discusses the historical colony of Acadia in northeastern North America, not Acadia National Park; there is no mention of U.S. national par
Acadia — [contradicted] Acadia National Park is the only national park in the Northeastern United States. :: The source article does not mention any U.S. national parks.
Arches — [contradicted] An arch is a curved vertical structure spanning an open space underneath it :: Arches National Park is a national park of the United States in eastern Utah, containing natural sandstone arches.
Bryce Canyon — [contradicted] The park is much smaller and sits at a much higher elevation than nearby Zion National Park :: The source says Bryce Canyon is smaller and sits at a higher elevation than Zion, which is consistent, but this is not contradicted. No contradiction
Denali — [contradicted] Dickey after the newly elected U.S. president :: The source states Dickey named it after then-presidential candidate William McKinley in 1896, after he was nominated but before he was elected.
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