what is the cost to build an observatory
Why he built his observatory in that exact location. The Griffith observatory was built upon a request in Colonel Griffith J. Griffith's will. The construction for the observatory started in May of 1933. It took 2 years to build the observatory, and the cost was a little over $655,000. Griffith decided to built his observatory atop of Mount Hollywood because it was the highest point in the huge city park (Griffith Park).