Choose the right word for each gap.

It seems a ... idea, but it is a house. The Stone House is situated in the Fafe Mountains of Portugal. Sandwiched between two stones this ... is said to have been ... by the American “Flintstones” cartoon series. Although it may seem rustic, there are some ... , which include a fireplace and a swimming pool ...
out of one of the large stones. The house ... many tourists every year.