Keystone, South Dakota, serves as the picturesque gateway to Mount Rushmore, the iconic national memorial that stands as a testament to democracy and the presidents who have shaped the United States. Nestled in the Black Hills, Keystone offers visitors a blend of natural beauty and historical significance, with the majestic figures of George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln carved into the granite face of the mountain, symbolizing the nation's birth, growth, development, and preservation. This small town not only provides access to the memorial but also offers a glimpse into America's past, making it a must-visit destination for those traveling through the region.