William McKinley
In 1896, a gold prospector gave McKinley's name to Denali, the tallest mountain in North America at . The Alaska Board of Geographic Names changed the name of the mountain back to Denali in 1975, which is what it was called by locals. The Department of the Interior followed suit in August 2015 as a part of a visit to Alaska by President Barack Obama. Similarly, Denali National Park was known as Mount McKinley National Park until December 2, 1980, when it was changed by legislation signed by President Jimmy Carter.
Mount Guyot (Great Smoky Mountains)
Mount Guyot is a mountain in the eastern Great Smoky Mountains, located in 
the southeastern United States. At above sea level, Guyot is the fourth-highest
summit in the eastern U.S., and the second-highest in the Great Smoky Mountains National Park. While the mountain is remote, the Appalachian Trail crosses its south slope,
passing to within of the summit.