Takanori Aiba is a Japanese artist who started as a maze illustrator for POPYE magazine. He later moved on to become an art director for architectural spaces. In 2003, he decided to combine his these two talents into what you see here. These amazingly intricate sculptures are built using copper, putty, plastic, resin and clay stone. You can read a detailed explanation of his works on Inhabitat.
Leandro Erlich's Bâtiment Building is a mirrored installaion on display at Le 104 in Paris as part of the In_Perceptions exhibition. Erlich creates the illusion in these photos by placing a giant mirror on top of a building facade. What an awesome idea!