Weston WEST VIRGINIA Hospitals or Nursing Homes 6 Claim(s) Visited PANICd# 1026 Trans-Allegheny Lunatic Asylum The Trans-Allegheny Lunatic Asylum, constructed between 1858 and 1881, is the largest hand-cut stone masonry building in North America, and is purportedly the second largest in the world, next to the Kremlin.