The exquisitely decorated rooms reflect what the nobility of Europe would have been displaying at the time. Masterful antiques of German, French, and English origin fill each and every room, as well as priceless artworksby artists like Renoir and John Singer Sergeant. No expense was too great, from the fabrics to the clocks to the finely carved furniture.

The fireplace in the tapestry room is simply stunning. Via/ Flickr
The tapestry room laid out with a fine china tea set. Via/ Flickr
Even the hallways look impressive. Via/ Flickr
The stairs. Via/ Flickr
Mrs. Vanderbilt’s room. Via/ Flickr
The bedrooms are a lavish as any of the bigger common rooms. Via/ Flickr

Today the estate is open to the public for tours, despite being privately owned. The incredible rooms and grounds are a testament to another era of unrestrained wealth and luxury.