Heaven Visited

I have recently visited three of the most spectacular homes on earth, here is a tiny glimps for you.

Smedmore House first:

Home with a view of the sea, privately owned still.

Then-

Greenway, Agatha Christie's holiday place on the River Dart.

 National Trust

And now something else!

 And here is the clue for this house below.....

No idea? Try  https://www.google.co.uk/maps/place/Coleton+Fishacre/