Mammoth Cave National Park is home to the world's longest known cave system.
The Lincoln Boyhood National Memorial commemorates the youth of Abraham Lincoln.
Montgomery Bell State Park offers ample outdoor activities across its 3,782 acres.
Land Between the Lakes National Recreation Area is a Biosphere Reserve located between Kentucky Lake and Lake Barkley in USA.
The Great Smoky Mountains National Park is a vast area of pristine wilderness, spanning more than half a million acres.
The monument commemorates the life of Col. Charles Young, an African American military officer.