At first glance, the giant see-through-erector-set-like structure seems to be a realization of one of Leonardo da Vinci's mechanical inventions.

A mirror and a lens mounted on top project a live image of the outside view into a darkened room.

Listen to a 27-foot-tall harp that's strummed by the wind.

Take off and fly in a mirror that makes half your body look whole.

Parabolic dishes collect and focus sound waves and reflect them to participants seated within them.

A reflector stretches light from colored tiles into long bright ribbons.