By the 2010s, physicians Tatiana and Igor Bidikov lived in a pretty house in Golden Springs’s Greenbrier Chase. Then, around 2015-16, Tatiana drove by a house on Diana Hills Road that intrigued her.

The house is designed to look like a cave. Photo: Zillow In May last year ... really go for what they like in their homes, but, man, does that make it hard to sell,” someone else observed.