Explore the haunted past of the National Building Museum. See a different side of the Museum on this lantern-light tour led by the ghost of Mary Surratt. Who are the irritable rider on horseback and the footless figure? Why are there mysterious faces swirling in the 75 foot Corinthian columns? And, why do these ghosts (and more!) call the National Building Museum their home? All will be revealed on this behind-the-scenes tour of the mysteries of the Museum.