It’s no secret that magicians are masters of optical illusions, but did you know that Architects can also master this skill? Granted the results are a bit different then that of a magicians, but still equally shocking. Through Architectural illusions, architects can fool your eyes into believing that buildings are melting, leaning, upside-down, or all together invisible. Some of these illusions can even give the feeling that a building is moving! We’re not joking when we say that these architectural illusions are powerful stuff so proceed at your own risk. From the Dancing House in Prague to the Tilted House in San Francisco, check out these 25 trippy architectural illusions from around the world.