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 Rainier
Mount Rainier is the tallest mountain in Washington and the Cascade Range. This peak is located just east of Eatonville and just southeast of Seattle and Tacoma. Mount Rainier is ranked third of the 128 ultra-prominent mountain peaks of the United States. Mount Rainier has a topographic prominence of , which is greater than that of K2, the world's second-tallest mountain, at . On clear days it dominates the southeastern horizon in most of the Seattle-Tacoma metropolitan area to such an extent that locals sometimes refer to it simply as "the Mountain." On days of exceptional clarity, it can also be seen from as far away as Corvallis, Oregon, (at Marys Peak) and Victoria, British Columbia.