The Apollo Pavilion bridges a beck in Peterlee's Sunny Blunts housing estate, a rare UK example of a large-scale experiment in the synthesis of art and architecture.
Artichoke commissioned artists from Berlin to design the lighting system
Simon Henig, leader of Durham County Council, said: I think it looks spectacular. It doesnt matter if you like the sculpture or not this will be something for people to remember for years to come.
There will also be a 50th birthday party for the landmark in July
A unveiling of an art installation in September and a landscape art project for secondary and higher education students are also planned.