• Inside out!

    Inside out!
    Is there something strange about this building?
    Hint: Look at the pillars in the middle floor.
  • Young or old?

    Young or old?
    This is probably the most famous illusion of all time. Almost evryone has seen it. What do you see at your first glance at this illusion? Do you see an old lady or do you see a young woman? they are both there.
  • Rotating or Not ?

    Rotating or Not ?
    Is this rotationg or not? It is really not known.
  • Neverending stairs?

    Neverending stairs?
    The stairs at the end do not ever take you to the top.