The highpoints of the fifty states range from Alaska's 20,310-foot-high Mount McKinley to 345 feet at Lakewood Park in Florida. Some highpoints, such as Mount Mitchell in North Carolina and New Hampshire's Mount Washington, can be reached by car on a sightseeing drive. Others, including Colorado's Mount Elbert or Mount Marcy in New York, are accessible as wilderness day hikes. Still others, such as Mount Rainier in Washington or Gannett Peak in...