This structure sits on a plot of property that is around 1.6 acres in size and may be found in the suburbs of Washington, DC.

The enormous enigmatic mansion is home to an astounding mystery that was discovered in the basement of the luxury property and has since been its identifying feature.

Incredible as it may sound, the well-known mansion has a land area of approximately 1,100 square meters.

The amazing building has an interior designed in the colonial style and filled with natural materials, both of which contribute to the building’s stunning beauty.

The magnificent residence features a total of 8 lavatories, 7 bedrooms, and 10 fireplaces. The kitchen spans two stories.

In addition to that, it features two enormous bookcases, a dining room, a dancing area, a laundry room, a tennis court, and two different kinds of pools.

Within the fanciful and stunning structure is a warm and inviting guest house that is available for use by travelers and important guests.

It’s wonderful, don’t you think?

Nevertheless, the most spectacular feature is located beneath its basement. It is a place shrouded in secrecy and beyond all reality!

Upon entering, it looks as though you are instantly transported to another fantastic world that is taking place in a different era.

As though it were an entire street complete with stone-paved walkways and objects that seemed completely authentic.

It appears to be a very large metropolis that is full of incredible and inventive items, similar to those that are found in fairy tales.

And at this point, you might be wondering just how far the human imagination can stretch.

When you look at these breathtaking photographs, you can get the impression that it is a remarkable underground art gallery.