India, May 2 -- Owning a real estate property is a feeling of pride and success, but having one that turns heads and gets people talking is surely one-of-a-kind. Here are five houses that use fancy optical illusions to trick your brain - and your eyes.

Priced at around $6 million, this glass home looks like the perfect spot to host a lavish house party. The residence boasts six bedrooms without any visible columns - as if the first floor was supported by the glass walls only! A private underground tunnel leads you to a four-car garage while a heated saltwater pool lays right ahead of the house, overlooking an adjacent 20-acre reserve.

Priced at about $18 million, this invisible house is the creation of film producers Chris Hanley and Fr...