A $6 million mansion in Toronto's Baby Point neighbourhood is so unique it's actually called a "unicorn" home.

It's supposed to be truly one of one, as it's the kind of project that would be impossible to complete now in its original design.

The home at 97 Old Mill Dr. has five bedrooms, six bathrooms, and parking for eight cars in a two-car garage on a clay brick driveway.

The staggering staircase and skylight combination.

The starring feature of the property that's truly irreplaceable, however, is a giant skylight spanning the height of its towering six levels.

A view from the bottom.

It sends lights streaming down over a unique open-concept staircase that soars up several levels. There is an elevator, but if you're a lover of stairs, this place has them everywhere.

An entertainment area.

A theatre and library space wraps around a drop-out section looking straight down to the next floor, emphasizing the open, flowing feeling of the house.

A games room with deep wood accents.

There's also a games room suitable for a sizeable billiards table.

A scenic spot for a workout.

A gym area is full of windows and light.

One of the bathrooms.

There's a small sauna for unwinding after in-home workouts.

The outdoor area.

The gym windows look out on a rooftop pool with lots of tall trees for privacy.

The stately kitchen with hardwood flooring.

A custom kitchen with tons of marble connects to a breakfast nook.

Another outdoor area for a bite or coffee.

The nook leads to a walk-out terrace with a shady overhang.

A room being used as an office/studio.

Ensconced offices offer privacy and quiet for hours spent working from home.

The primary ensuite.

The primary bedroom connects to an ensuite bathroom with a huge soaker tub next to windows with expansive views.

Another bathroom with soaker tub.

There's secretly a tub in another bathroom, too, so no one has to miss out on long luxurious baths.

A deck with a sweet lookout.

The home is situated in the hills that overlook Humber River, Étienne Brûlé Park and the Old Mill Inn and Spa, and there are unobstructed views of all these sights from the ravine lot.

This one-of-a-kind property is currently listed for $5,980,000.