Sinking House Illusion

This Sinking House Illusion can be found in Montmartre, a district in Paris, near the famous Sacre Coeur church. It’s a simple, but very cool illusion caused by forced perspective.

If you are interested in learning how forced perspective works in illusions like the Sinking House illusion, scroll down to read more about it.

Sinking House Illusion


Table of Contents

What is the Sinking House Illusion?

This Sinking House Illusion can be found in Montmartre, a district in Paris, near the famous Sacre Coeur church. It’s a simple, but very cool illusion caused by forced perspective.

The illusion works by taking advantage of the surrounding environment and forced perspective. The sinking house illusion is a great example of how forced perspective can be used to create illusions and challenge our perceptions of the world around us.

The Sinking House illusion has become quite popular among tourists and has been featured in various media outlets and publications. It is located in the Montmartre district of Paris, which is known for its vibrant arts scene and historical landmarks.

Forced perspective is a technique used in art, architecture, and photography to create the illusion of depth and distance in a two-dimensional space. The technique involves manipulating the visual perception of size and distance by adjusting the scale and positioning of objects in relation to the viewer’s perspective.

In forced perspective, objects closer to the viewer appear larger, while objects farther away appear smaller. This creates the illusion of depth and distance, even in a flat or shallow space. This technique is often used in films to make actors appear larger or smaller than they actually are.

Forced perspective has been used throughout history in various forms of art and architecture, from the ancient Greeks and Romans to the Renaissance painters and modern-day filmmakers. It continues to be a popular technique today, especially in the fields of architecture, photography, and special effects in movies.

How does the Sinking House Illusion Work?

The sinking house illusion uses forced perspective which works by manipulating the visual perception of size and distance. It takes advantage of the fact that the human brain perceives size and distance based on context and visual cues.

In forced perspective, objects closer to the viewer appear larger, while objects farther away appear smaller. By carefully adjusting the scale and positioning of objects in relation to the viewer’s perspective, an artist or photographer can create the illusion of depth and distance, even in a flat or shallow space.

For example, if an artist wants to create the illusion of a long hallway in a painting, they might draw the lines of the hallway so that they converge at a single point in the distance. This creates the impression that the hallway is receding into the distance, even though it is just a flat surface.

Similarly, in a photograph, a photographer might position a small object close to the camera and a large object farther away, making the small object appear much larger than it actually is in comparison to the larger object. This creates the illusion that the small object is closer to the viewer than it really is.

Forced perspective works best when the viewer is in a fixed position, such as looking at a painting or photograph, or standing in a specific location in an environment designed with forced perspective, like a tilted room or a miniature set. When the viewer moves around, the illusion may break down, as the visual cues and context change.

Some Similar Illusions

There are several similar illusions to the sinking house illusion, which also rely on manipulating visual perception to create an illusion of depth or distance. Here are some examples:

  1. Ames room illusion: This illusion involves constructing a room with an irregular shape, which appears to be a normal rectangular room from a specific viewpoint. When viewed from other angles, the illusion breaks down, making objects and people appear to change in size and shape.
  2. Anamorphic illusions: Anamorphic illusions involve distorting an image or object so that it appears normal when viewed from a specific angle, but distorted when viewed from other angles. Examples include street art that appears as a jumbled mess until viewed from a specific angle, or objects that appear to be elongated or flattened when viewed from certain angles.
  3. Trompe l’oeil: Trompe l’oeil is a type of art that uses realistic painting techniques to create an illusion of depth and three-dimensionality. This can include paintings that appear to be three-dimensional objects, or murals that make it seem like there is a real window or doorway where none actually exists.

Like the sinking house illusion, these illusions play with the viewer’s perception of size, distance, and depth, and rely on visual cues and context to create their effects.


References and Resources

In addition to the Sinking House Illusion, check out our complete list of illusions.