At its widest point, the house measures 15 feet across. At its narrowest, just 55 inches — barely big enough for a standard doorway.

Although it looks like a typical luxury log home from the driveway, the basement has been turned into a concrete cavern, accessible from a hidden “miner’s-style” entrance.

Located on Lake Whitney in Clifton, Texas, this fairytale behemoth is known as Parsons Castle.

The S.K. Pierce mansion, an alleged hotspot for paranormal activity, hit the market for $1.2 million earlier this month.

Designed by architect Eric Owen Moss in 1977, the multifamily home is located just minutes from the Pacific Ocean in Playa Del Rey, California.

This property is actually two properties: a landlocked “boathouse,” plus its own personal lighthouse.

This listing, nestled in the hills above Pfeiffer Beach in Big Sur, California, is constructed from two giant redwood wine barrels.

This Hidden Hills home featured in the Kardashian family’s famous TV show. Now, it’s for sale for $13.5 million.

In Silver Spring, Maryland, stands a modern castle. Built in 2004, the property blends luxury features with medieval architecture.

A designated landmark, this New Orleans structure is a prime example of the South’s famous Gothic Revival architecture.

This Bentonville, Arkansas home is listed by John Mayer of Better Homes and Gardens Real Estate Journey for $3.2 million.

This luxury property isn’t just a home — it’s an entire multigenerational compound, situated on a one-acre private island off the coast of Greenwich, Connecticut.

Nestled in rural Indiana, this circular home is nicknamed “The Round House” — and it’s not hard to see why!

In Spruce Pine, North Carolina, this hillside house is carved directly from the earth. It’s listed on Special Finds for $352,000.

The Bruno, named for its architect Robert Bruno, was formed in the ’70s from 110 tons of hand-welded, rust-colored steel. It’s currently up for auction.

In the 1920s, this historic building educated the children of Krakow, Wisconsin. Now, it’s move-in ready.