- Explore the private third-floor spaces of the Vanderbilt family and household staff, open to the public for the first time in 129 years - Delve into the history of the Vanderbilt family's personal bedrooms, bathrooms, and recreational areas - Witness the ongoing preservation efforts, showcasing restored sections alongside untouched areas that reveal the effects of time and elements - Discover décor from different eras, including the 1890s and 1940s, reflecting the evolving use of the third floor by the Vanderbilt family - See jaw-dropping rooms from other parts of the palatial home including the Great Hall and more surprise spaces!-