Lexington is a city in Kentucky. It’s known for horse farms and thoroughbred racetracks like Keeneland. The Kentucky Horse Park features the International Museum of the Horse, the Hall of Champions and many equine breeds. Ashland, the estate of 1800s politician Henry Clay, includes a mansion and formal garden. Clay is buried at the Lexington Cemetery, which has an arboretum, lakes and a Romanesque gatehouse.