The Trans-Allegheny Lunatic Asylum is a historic psychiatric hospital located in Weston, West Virginia. Opened in 1864, it was designed to house individuals with mental illnesses and operated until 1994. The facility is notable for its large size and unique architecture, reflecting the Kirkbride Plan, which aimed to provide a therapeutic environment for patients. The asylum is known for its long history and has been the subject of various studies and tours. It features a range of buildings, including patient wards and administrative offices, showcasing the evolution of mental health treatment over the years. Today, it serves as a site for historical tours and paranormal investigations.