Mt. Ida is a historical mansion in Ellicott City, Maryland, that is reportedly haunted, with reported paranormal activity including phantom footsteps, the strange behavior of a family dog in a specific room, and a chandelier in the dining room that swings on its own, though these reports are a local legend and have not been officially confirmed. The mansion is said to be haunted, with a history of supernatural occurrences. Some visitors and residents have reported hearing unexplained footsteps within the mansion. A family dog was known to refuse to enter a certain room on the second floor, suggesting the presence of something unseen. The heavy chandelier in the dining room has been seen swinging back and forth without any apparent cause. The mansion was built by Henry Richard Hazelhurst in 1857 and experienced family tragedies, including the death of a daughter.