Shark in Elevator - Amazing 3D Street Art, http://hative.com/amazing-3d-street-art/,
Creative Examples Of Street Art That Will Blow Your Mind | Daily source for inspiration and fresh ideas on Architecture, Art and Design
subway floor art...I would feel compelled to walk in the footsteps. This is in a Korean subway and is an ad for HEAD's barefoot range of sports shoes—'they feel like you're walking in bare feet'.
33 Brain-Melting Works Of 3-D Sidewalk Chalk Art. SO COOL! I can never get enough of these...hope to see one in person one day!
3D Illusions Street Art 1
Richard Shilling makes his "land art" using only natural materials gathered near where the sculpture is made. Some of his work lasts only a few minutes before a change sweeps them away. Gallery of his work on the Telegraph site